55612436 has 48 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 23965920.

The previous prime is 55612399. The next prime is 55612439. The reversal of 55612436 is 63421655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55612439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 180995 + ... + 181301.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^55612436 is an apocalyptic number.

It is an amenable number.

55612436 is an abundant number, since it is smaller than the sum of its proper divisors (56154604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55612436 is a wasteful number, since it uses less digits than its factorization.

55612436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524 (or 522 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 55612436 is about 7457.3746050470. The cubic root of 55612436 is about 381.7015934764.

It can be divided in two parts, 5561 and 2436, that added together give a palindrome (7997).

The spelling of 55612436 in words is "fifty-five million, six hundred twelve thousand, four hundred thirty-six".