55001010510556 has 96 divisors (see below), whose sum is σ = 105499144396800. Its totient is φ = 24882420991680.

The previous prime is 55001010510521. The next prime is 55001010510559. The reversal of 55001010510556 is 65501501010055.

It is a super-2 number, since 2×55001010510556² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55001010510559) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24921163605 + ... + 24921165811.

It is an arithmetic number, because the mean of its divisors is an integer number (1098949420800).

Almost surely, 2^{55001010510556} is an apocalyptic number.

It is an amenable number.

55001010510556 is a deficient number, since it is larger than the sum of its proper divisors (50498133886244).

55001010510556 is a wasteful number, since it uses less digits than its factorization.

55001010510556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5047 (or 5045 counting only the distinct ones).

The product of its (nonzero) digits is 18750, while the sum is 34.

The spelling of 55001010510556 in words is "fifty-five trillion, one billion, ten million, five hundred ten thousand, five hundred fifty-six".