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55488230974 = 21115831593299
BaseRepresentation
bin110011101011010110…
…110011011000111110
312022020001220012011201
4303223112303120332
51402114441342344
641254013210114
74003023116101
oct635326633076
9168201805151
1055488230974
1121594729230
12a906a9093a
135303ac2887
1429855a2738
15169b5dc4d4
hexceb5b363e

55488230974 has 16 divisors (see below), whose sum is σ = 90856339200. Its totient is φ = 25205974360.

The previous prime is 55488230947. The next prime is 55488230977. The reversal of 55488230974 is 47903288455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55488230977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 761824 + ... + 831475.

It is an arithmetic number, because the mean of its divisors is an integer number (5678521200).

Almost surely, 255488230974 is an apocalyptic number.

55488230974 is a deficient number, since it is larger than the sum of its proper divisors (35368108226).

55488230974 is a wasteful number, since it uses less digits than its factorization.

55488230974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594895.

The product of its (nonzero) digits is 9676800, while the sum is 55.

The spelling of 55488230974 in words is "fifty-five billion, four hundred eighty-eight million, two hundred thirty thousand, nine hundred seventy-four".

Divisors: 1 2 11 22 1583 3166 17413 34826 1593299 3186598 17526289 35052578 2522192317 5044384634 27744115487 55488230974