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57450558100 = 22521347940271
BaseRepresentation
bin110101100000010100…
…011111001010010100
312111021211100201221011
4311200110133022110
51420124320324400
642220432502004
74102451454325
oct654024371224
9174254321834
1057450558100
1122401384691
12b1740aa904
1355575096a0
142ad005244c
151763a0c8ba
hexd6051f294

57450558100 has 72 divisors (see below), whose sum is σ = 137114224128. Its totient is φ = 20761161600.

The previous prime is 57450558037. The next prime is 57450558103. The reversal of 57450558100 is 185505475.

It is a happy number.

It is a super-2 number, since 2×574505581002 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57450558103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 409036 + ... + 531235.

It is an arithmetic number, because the mean of its divisors is an integer number (1904364224).

Almost surely, 257450558100 is an apocalyptic number.

57450558100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

57450558100 is an abundant number, since it is smaller than the sum of its proper divisors (79663666028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57450558100 is a wasteful number, since it uses less digits than its factorization.

57450558100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940345 (or 940338 counting only the distinct ones).

The product of its (nonzero) digits is 140000, while the sum is 40.

The spelling of 57450558100 in words is "fifty-seven billion, four hundred fifty million, five hundred fifty-eight thousand, one hundred".

Divisors: 1 2 4 5 10 13 20 25 26 47 50 52 65 94 100 130 188 235 260 325 470 611 650 940 1175 1222 1300 2350 2444 3055 4700 6110 12220 15275 30550 61100 940271 1880542 3761084 4701355 9402710 12223523 18805420 23506775 24447046 44192737 47013550 48894092 61117615 88385474 94027100 122235230 176770948 220963685 244470460 305588075 441927370 574505581 611176150 883854740 1104818425 1149011162 1222352300 2209636850 2298022324 2872527905 4419273700 5745055810 11490111620 14362639525 28725279050 57450558100