55401612 has 48 divisors (see below), whose sum is σ = 148307712. Its totient is φ = 15768000.

The previous prime is 55401601. The next prime is 55401667. The reversal of 55401612 is 21610455.

55401612 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55401612² = 6138677224397088, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 23487 + ... + 25737.

It is an arithmetic number, because the mean of its divisors is an integer number (3089744).

Almost surely, 2^55401612 is an apocalyptic number.

It is an amenable number.

55401612 is an abundant number, since it is smaller than the sum of its proper divisors (92906100).

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

55401612 is a wasteful number, since it uses less digits than its factorization.

55401612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2558 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 55401612 is about 7443.2259135404. The cubic root of 55401612 is about 381.2186453834.

The spelling of 55401612 in words is "fifty-five million, four hundred one thousand, six hundred twelve".