55313625 has 16 divisors (see below), whose sum is σ = 92042496. Its totient is φ = 29500400.

The previous prime is 55313581. The next prime is 55313627. The reversal of 55313625 is 52631355.

It is not a de Polignac number, because 55313625 - 2¹⁴ = 55297241 is a prime.

It is a super-2 number, since 2×55313625² = 6119194221281250, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55313592 and 55313601.

It is not an unprimeable number, because it can be changed into a prime (55313627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73377 + ... + 74126.

It is an arithmetic number, because the mean of its divisors is an integer number (5752656).

Almost surely, 2^55313625 is an apocalyptic number.

It is an amenable number.

55313625 is a deficient number, since it is larger than the sum of its proper divisors (36728871).

55313625 is a wasteful number, since it uses less digits than its factorization.

55313625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147521 (or 147511 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 55313625 is about 7437.3130228598. The cubic root of 55313625 is about 381.0167255214.

The spelling of 55313625 in words is "fifty-five million, three hundred thirteen thousand, six hundred twenty-five".