55555555026 has 64 divisors (see below), whose sum is σ = 117347616000. Its totient is φ = 17509228800.

The previous prime is 55555555009. The next prime is 55555555031. The reversal of 55555555026 is 62055555555.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1825656 + ... + 1855836.

It is an arithmetic number, because the mean of its divisors is an integer number (1833556500).

Almost surely, 2^55555555026 is an apocalyptic number.

55555555026 is an abundant number, since it is smaller than the sum of its proper divisors (61792060974).

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

55555555026 is a wasteful number, since it uses less digits than its factorization.

55555555026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30435.

The product of its (nonzero) digits is 4687500, while the sum is 48.

The spelling of 55555555026 in words is "fifty-five billion, five hundred fifty-five million, five hundred fifty-five thousand, twenty-six".