55613412 has 24 divisors (see below), whose sum is σ = 144183200. Its totient is φ = 18537768.

The previous prime is 55613407. The next prime is 55613419. The reversal of 55613412 is 21431655.

55613412 is a `hidden beast` number, since 5 + 5 + 613 + 41 + 2 = 666.

55613412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (55613419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 257362 + ... + 257577.

Almost surely, 2^55613412 is an apocalyptic number.

It is an amenable number.

55613412 is an abundant number, since it is smaller than the sum of its proper divisors (88569788).

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

55613412 is a wasteful number, since it uses less digits than its factorization.

55613412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514952 (or 514944 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 55613412 is about 7457.4400433393. The cubic root of 55613412 is about 381.7038264216.

The spelling of 55613412 in words is "fifty-five million, six hundred thirteen thousand, four hundred twelve".