55365425 has 12 divisors (see below), whose sum is σ = 68745600. Its totient is φ = 44232720.

The previous prime is 55365421. The next prime is 55365433. The reversal of 55365425 is 52456355.

It is not a de Polignac number, because 55365425 - 2² = 55365421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55365421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34184 + ... + 35766.

It is an arithmetic number, because the mean of its divisors is an integer number (5728800).

Almost surely, 2^55365425 is an apocalyptic number.

It is an amenable number.

55365425 is a deficient number, since it is larger than the sum of its proper divisors (13380175).

55365425 is a wasteful number, since it uses less digits than its factorization.

55365425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2992 (or 2987 counting only the distinct ones).

The product of its digits is 90000, while the sum is 35.

The square root of 55365425 is about 7440.7946484230. The cubic root of 55365425 is about 381.1356263564.

The spelling of 55365425 in words is "fifty-five million, three hundred sixty-five thousand, four hundred twenty-five".