55553612 has 12 divisors (see below), whose sum is σ = 100355136. Its totient is φ = 26880720.

The previous prime is 55553609. The next prime is 55553621. The reversal of 55553612 is 21635555.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 223883 + ... + 224130.

It is an arithmetic number, because the mean of its divisors is an integer number (8362928).

Almost surely, 2^55553612 is an apocalyptic number.

It is an amenable number.

55553612 is a deficient number, since it is larger than the sum of its proper divisors (44801524).

55553612 is a wasteful number, since it uses less digits than its factorization.

55553612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448048 (or 448046 counting only the distinct ones).

The product of its digits is 22500, while the sum is 32.

The square root of 55553612 is about 7453.4295461888. The cubic root of 55553612 is about 381.5669645011.

It can be divided in two parts, 55553 and 612, that added together give a palindrome (56165).

The spelling of 55553612 in words is "fifty-five million, five hundred fifty-three thousand, six hundred twelve".