55504155510554 has 16 divisors (see below), whose sum is σ = 83338026614208. Its totient is φ = 27724817848992.

The previous prime is 55504155510527. The next prime is 55504155510569. The reversal of 55504155510554 is 45501555140555.

It is a super-2 number, since 2×55504155510554² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23434739 + ... + 25694265.

It is an arithmetic number, because the mean of its divisors is an integer number (5208626663388).

Almost surely, 2^{55504155510554} is an apocalyptic number.

55504155510554 is a deficient number, since it is larger than the sum of its proper divisors (27833871103654).

55504155510554 is a wasteful number, since it uses less digits than its factorization.

55504155510554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2271589.

The product of its (nonzero) digits is 6250000, while the sum is 50.

The spelling of 55504155510554 in words is "fifty-five trillion, five hundred four billion, one hundred fifty-five million, five hundred ten thousand, five hundred fifty-four".