55573225 has 6 divisors (see below), whose sum is σ = 68910830. Its totient is φ = 44458560.

The previous prime is 55573183. The next prime is 55573237. The reversal of 55573225 is 52237555.

It can be written as a sum of positive squares in 3 ways, for example, as 3790809 + 51782416 = 1947^2 + 7196^2 .

It is not a de Polignac number, because 55573225 - 2²³ = 47184617 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1111440 + ... + 1111489.

Almost surely, 2^55573225 is an apocalyptic number.

It is an amenable number.

55573225 is a deficient number, since it is larger than the sum of its proper divisors (13337605).

55573225 is a wasteful number, since it uses less digits than its factorization.

55573225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2222939 (or 2222934 counting only the distinct ones).

The product of its digits is 52500, while the sum is 34.

The square root of 55573225 is about 7454.7451331350. The cubic root of 55573225 is about 381.6118628259.

The spelling of 55573225 in words is "fifty-five million, five hundred seventy-three thousand, two hundred twenty-five".