56120436 has 18 divisors (see below), whose sum is σ = 141860082. Its totient is φ = 18706800.

The previous prime is 56120413. The next prime is 56120479. The reversal of 56120436 is 63402165.

56120436 is a `hidden beast` number, since 5 + 612 + 0 + 43 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 49617936 + 6502500 = 7044^2 + 2550^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 779415 + ... + 779486.

Almost surely, 2^56120436 is an apocalyptic number.

It is an amenable number.

56120436 is an abundant number, since it is smaller than the sum of its proper divisors (85739646).

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

56120436 is a wasteful number, since it uses less digits than its factorization.

56120436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1558911 (or 1558906 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 56120436 is about 7491.3574203878. The cubic root of 56120436 is about 382.8603089566.

The spelling of 56120436 in words is "fifty-six million, one hundred twenty thousand, four hundred thirty-six".