55051055550051 has 64 divisors (see below), whose sum is σ = 80791295270400. Its totient is φ = 33066838425600.

The previous prime is 55051055550019. The next prime is 55051055550089. The reversal of 55051055550051 is 15005555015055.

It is not a de Polignac number, because 55051055550051 - 2⁵ = 55051055550019 is a prime.

It is a super-2 number, since 2×55051055550051² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55051055549985 and 55051055550012.

It is not an unprimeable number, because it can be changed into a prime (55051055550091) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9971208171 + ... + 9971213691.

It is an arithmetic number, because the mean of its divisors is an integer number (1262363988600).

Almost surely, 2^{55051055550051} is an apocalyptic number.

55051055550051 is a deficient number, since it is larger than the sum of its proper divisors (25740239720349).

55051055550051 is a wasteful number, since it uses less digits than its factorization.

55051055550051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11060.

The product of its (nonzero) digits is 390625, while the sum is 42.

The spelling of 55051055550051 in words is "fifty-five trillion, fifty-one billion, fifty-five million, five hundred fifty thousand, fifty-one".