55589225 has 12 divisors (see below), whose sum is σ = 69334476. Its totient is φ = 44210880.

The previous prime is 55589197. The next prime is 55589227. The reversal of 55589225 is 52298555.

It can be written as a sum of positive squares in 6 ways, for example, as 71824 + 55517401 = 268^2 + 7451^2 .

It is not a de Polignac number, because 55589225 - 2²² = 51394921 is a prime.

It is a super-2 number, since 2×55589225² = 6180323872201250, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55589227) 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, 2102 + ... + 10751.

It is an arithmetic number, because the mean of its divisors is an integer number (5777873).

Almost surely, 2^55589225 is an apocalyptic number.

It is an amenable number.

55589225 is a deficient number, since it is larger than the sum of its proper divisors (13745251).

55589225 is a wasteful number, since it uses less digits than its factorization.

55589225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13036 (or 13031 counting only the distinct ones).

The product of its digits is 180000, while the sum is 41.

The square root of 55589225 is about 7455.8181978908. The cubic root of 55589225 is about 381.6484824027.

The spelling of 55589225 in words is "fifty-five million, five hundred eighty-nine thousand, two hundred twenty-five".