55555300055025 has 18 divisors (see below), whose sum is σ = 99505715210070. Its totient is φ = 29629493362560.

The previous prime is 55555300055009. The next prime is 55555300055069. The reversal of 55555300055025 is 52055000355555.

It can be written as a sum of positive squares in 3 ways, for example, as 68414156721 + 55486885898304 = 261561^2 + 7448952^2 .

It is not a de Polignac number, because 55555300055025 - 2⁴ = 55555300055009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 123456222120 + ... + 123456222569.

Almost surely, 2^{55555300055025} is an apocalyptic number.

It is an amenable number.

55555300055025 is a deficient number, since it is larger than the sum of its proper divisors (43950415155045).

55555300055025 is a wasteful number, since it uses less digits than its factorization.

55555300055025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246912444705 (or 246912444697 counting only the distinct ones).

The product of its (nonzero) digits is 2343750, while the sum is 45.

The spelling of 55555300055025 in words is "fifty-five trillion, five hundred fifty-five billion, three hundred million, fifty-five thousand, twenty-five".