56440452 has 12 divisors (see below), whose sum is σ = 131694416. Its totient is φ = 18813480.

The previous prime is 56440441. The next prime is 56440463. The reversal of 56440452 is 25404465.

56440452 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (56440441) and next prime (56440463).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×56440452³ (a number of 24 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 2351674 + ... + 2351697.

Almost surely, 2^56440452 is an apocalyptic number.

It is an amenable number.

56440452 is an abundant number, since it is smaller than the sum of its proper divisors (75253964).

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

56440452 is a wasteful number, since it uses less digits than its factorization.

56440452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4703378 (or 4703376 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The square root of 56440452 is about 7512.6860709070. The cubic root of 56440452 is about 383.5866591858.

The spelling of 56440452 in words is "fifty-six million, four hundred forty thousand, four hundred fifty-two".