55695225 has 36 divisors (see below), whose sum is σ = 95475536. Its totient is φ = 28647360.

The previous prime is 55695223. The next prime is 55695229. The reversal of 55695225 is 52259655.

It is not a de Polignac number, because 55695225 - 2¹ = 55695223 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55695223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 62634 + ... + 63516.

Almost surely, 2^55695225 is an apocalyptic number.

It is an amenable number.

55695225 is a deficient number, since it is larger than the sum of its proper divisors (39780311).

55695225 is a wasteful number, since it uses less digits than its factorization.

55695225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954 (or 920 counting only the distinct ones).

The product of its digits is 135000, while the sum is 39.

The square root of 55695225 is about 7462.9233548255. The cubic root of 55695225 is about 381.8909097958.

The spelling of 55695225 in words is "fifty-five million, six hundred ninety-five thousand, two hundred twenty-five".