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54425632520 = 2357306763377
BaseRepresentation
bin110010101100000001…
…010011111100001000
312012111000102121010102
4302230001103330020
51342430430220040
641000334104532
73634501146320
oct625401237410
9165430377112
1054425632520
112109993a296
12a66b04b148
135194908aac
1428c43dc280
151638193515
hexcac053f08

54425632520 has 64 divisors (see below), whose sum is σ = 139999466880. Its totient is φ = 18653838336.

The previous prime is 54425632519. The next prime is 54425632523. The reversal of 54425632520 is 2523652445.

It is not an unprimeable number, because it can be changed into a prime (54425632523) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 827072 + ... + 890448.

It is an arithmetic number, because the mean of its divisors is an integer number (2187491670).

Almost surely, 254425632520 is an apocalyptic number.

It is an amenable number.

54425632520 is an abundant number, since it is smaller than the sum of its proper divisors (85573834360).

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

54425632520 is a wasteful number, since it uses less digits than its factorization.

54425632520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66462 (or 66458 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 38.

The spelling of 54425632520 in words is "fifty-four billion, four hundred twenty-five million, six hundred thirty-two thousand, five hundred twenty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 3067 6134 12268 15335 21469 24536 30670 42938 61340 63377 85876 107345 122680 126754 171752 214690 253508 316885 429380 443639 507016 633770 858760 887278 1267540 1774556 2218195 2535080 3549112 4436390 8872780 17745560 194377259 388754518 777509036 971886295 1360640813 1555018072 1943772590 2721281626 3887545180 5442563252 6803204065 7775090360 10885126504 13606408130 27212816260 54425632520