55913425 has 12 divisors (see below), whose sum is σ = 73411596. Its totient is φ = 42099200.

The previous prime is 55913413. The next prime is 55913441. The reversal of 55913425 is 52431955.

It can be written as a sum of positive squares in 6 ways, for example, as 321489 + 55591936 = 567^2 + 7456^2 .

It is not a de Polignac number, because 55913425 - 2¹³ = 55905233 is a prime.

It is a super-2 number, since 2×55913425² = 6252622190461250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 65356 + ... + 66205.

It is an arithmetic number, because the mean of its divisors is an integer number (6117633).

Almost surely, 2^55913425 is an apocalyptic number.

It is an amenable number.

55913425 is a deficient number, since it is larger than the sum of its proper divisors (17498171).

55913425 is a wasteful number, since it uses less digits than its factorization.

55913425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131588 (or 131583 counting only the distinct ones).

The product of its digits is 27000, while the sum is 34.

The square root of 55913425 is about 7477.5280006162. The cubic root of 55913425 is about 382.3889777034.

The spelling of 55913425 in words is "fifty-five million, nine hundred thirteen thousand, four hundred twenty-five".