55910967025 has 45 divisors (see below), whose sum is σ = 73744113563. Its totient is φ = 42051157200.

The previous prime is 55910967017. The next prime is 55910967059. The reversal of 55910967025 is 52076901955.

The square root of 55910967025 is 236455.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 20127948129 + 35783018896 = 141873^2 + 189164^2 .

It is not a de Polignac number, because 55910967025 - 2³ = 55910967017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55910967025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 426801210 + ... + 426801340.

Almost surely, 2^55910967025 is an apocalyptic number.

55910967025 is the 236455-th square number.

55910967025 is the 118228-th centered octagonal number.

It is an amenable number.

55910967025 is a deficient number, since it is larger than the sum of its proper divisors (17833146538).

55910967025 is an frugal number, since it uses more digits than its factorization.

55910967025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348 (or 155 counting only the distinct ones).

The product of its (nonzero) digits is 850500, while the sum is 49.

Multiplying 55910967025 by its sum of digits (49), we get a square (2739637384225 = 1655185²).

The spelling of 55910967025 in words is "fifty-five billion, nine hundred ten million, nine hundred sixty-seven thousand, twenty-five".