55251105504 has 96 divisors (see below), whose sum is σ = 167302630656. Its totient is φ = 15638476800.

The previous prime is 55251105473. The next prime is 55251105509. The reversal of 55251105504 is 40550115255.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55251105509) 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, 312297 + ... + 456104.

It is an arithmetic number, because the mean of its divisors is an integer number (1742735736).

Almost surely, 2^55251105504 is an apocalyptic number.

It is an amenable number.

55251105504 is an abundant number, since it is smaller than the sum of its proper divisors (112051525152).

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

55251105504 is a wasteful number, since it uses less digits than its factorization.

55251105504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768528 (or 768520 counting only the distinct ones).

The product of its (nonzero) digits is 25000, while the sum is 33.

The spelling of 55251105504 in words is "fifty-five billion, two hundred fifty-one million, one hundred five thousand, five hundred four".