Search a number
-
+
55757847488 = 267196550499
BaseRepresentation
bin110011111011011011…
…010011101111000000
312022220212020010111112
4303323123103233000
51403143002104423
641340444102452
74012505612060
oct637333235700
9168825203445
1055757847488
11217129400a2
12a981234a28
135347912c85
1429ad3073a0
1516b50e8a78
hexcfb6d3bc0

55757847488 has 56 divisors (see below), whose sum is σ = 133106160000. Its totient is φ = 22638521088.

The previous prime is 55757847479. The next prime is 55757847529. The reversal of 55757847488 is 88474875755.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3266738 + ... + 3283761.

Almost surely, 255757847488 is an apocalyptic number.

It is an amenable number.

55757847488 is an abundant number, since it is smaller than the sum of its proper divisors (77348312512).

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

55757847488 is a wasteful number, since it uses less digits than its factorization.

55757847488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550537 (or 6550527 counting only the distinct ones).

The product of its digits is 351232000, while the sum is 68.

The spelling of 55757847488 in words is "fifty-five billion, seven hundred fifty-seven million, eight hundred forty-seven thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 56 64 76 112 133 152 224 266 304 448 532 608 1064 1216 2128 4256 8512 6550499 13100998 26201996 45853493 52403992 91706986 104807984 124459481 183413972 209615968 248918962 366827944 419231936 497837924 733655888 871216367 995675848 1467311776 1742432734 1991351696 2934623552 3484865468 3982703392 6969730936 7965406784 13939461872 27878923744 55757847488