55612238 has 16 divisors (see below), whose sum is σ = 91165824. Its totient is φ = 25232760.

The previous prime is 55612237. The next prime is 55612247. The reversal of 55612238 is 83221655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55612231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12281 + ... + 16187.

It is an arithmetic number, because the mean of its divisors is an integer number (5697864).

Almost surely, 2^55612238 is an apocalyptic number.

55612238 is a deficient number, since it is larger than the sum of its proper divisors (35553586).

55612238 is a wasteful number, since it uses less digits than its factorization.

55612238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4567.

The product of its digits is 14400, while the sum is 32.

The square root of 55612238 is about 7457.3613295857. The cubic root of 55612238 is about 381.7011404781.

The spelling of 55612238 in words is "fifty-five million, six hundred twelve thousand, two hundred thirty-eight".