56401444 has 24 divisors (see below), whose sum is σ = 114010848. Its totient is φ = 24128640.

The previous prime is 56401441. The next prime is 56401483. The reversal of 56401444 is 44410465.

56401444 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 2×56401444² = 6362245770570272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56401441) 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, 36954 + ... + 38449.

It is an arithmetic number, because the mean of its divisors is an integer number (4750452).

Almost surely, 2^56401444 is an apocalyptic number.

It is an amenable number.

56401444 is an abundant number, since it is smaller than the sum of its proper divisors (57609404).

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

56401444 is a wasteful number, since it uses less digits than its factorization.

56401444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75435 (or 75433 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 56401444 is about 7510.0894801593. The cubic root of 56401444 is about 383.4982687003.

The spelling of 56401444 in words is "fifty-six million, four hundred one thousand, four hundred forty-four".