55585751904 has 96 divisors (see below), whose sum is σ = 171661926240. Its totient is φ = 17438662656.

The previous prime is 55585751899. The next prime is 55585751909. The reversal of 55585751904 is 40915758555.

55585751904 is a `hidden beast` number, since 5 + 5 + 58 + 575 + 19 + 0 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (55585751899) and next prime (55585751909).

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55585751909) 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, 1877529 + ... + 1906904.

It is an arithmetic number, because the mean of its divisors is an integer number (1788145065).

Almost surely, 2^55585751904 is an apocalyptic number.

55585751904 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

55585751904 is an abundant number, since it is smaller than the sum of its proper divisors (116076174336).

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

55585751904 is a wasteful number, since it uses less digits than its factorization.

55585751904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3784469 (or 3784455 counting only the distinct ones).

The product of its (nonzero) digits is 6300000, while the sum is 54.

The spelling of 55585751904 in words is "fifty-five billion, five hundred eighty-five million, seven hundred fifty-one thousand, nine hundred four".