55028030025553 has 16 divisors (see below), whose sum is σ = 59378276333376. Its totient is φ = 50694584431680.

The previous prime is 55028030025541. The next prime is 55028030025557. The reversal of 55028030025553 is 35552003082055.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55028030025553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55028030025557) 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, 31795950 + ... + 33481912.

It is an arithmetic number, because the mean of its divisors is an integer number (3711142270836).

Almost surely, 2^{55028030025553} is an apocalyptic number.

It is an amenable number.

55028030025553 is a deficient number, since it is larger than the sum of its proper divisors (4350246307823).

55028030025553 is a wasteful number, since it uses less digits than its factorization.

55028030025553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690944.

The product of its (nonzero) digits is 900000, while the sum is 43.

The spelling of 55028030025553 in words is "fifty-five trillion, twenty-eight billion, thirty million, twenty-five thousand, five hundred fifty-three".