56644430 has 8 divisors (see below), whose sum is σ = 101959992. Its totient is φ = 22657768.

The previous prime is 56644387. The next prime is 56644433. The reversal of 56644430 is 3444665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56644433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2832212 + ... + 2832231.

It is an arithmetic number, because the mean of its divisors is an integer number (12744999).

Almost surely, 2^56644430 is an apocalyptic number.

56644430 is a deficient number, since it is larger than the sum of its proper divisors (45315562).

56644430 is a wasteful number, since it uses less digits than its factorization.

56644430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664450.

The product of its (nonzero) digits is 34560, while the sum is 32.

The square root of 56644430 is about 7526.2493979405. The cubic root of 56644430 is about 384.0482026802.

The spelling of 56644430 in words is "fifty-six million, six hundred forty-four thousand, four hundred thirty".