56631449 has 8 divisors (see below), whose sum is σ = 64857408. Its totient is φ = 48439440.

The previous prime is 56631433. The next prime is 56631469. The reversal of 56631449 is 94413665.

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

It is not a de Polignac number, because 56631449 - 2⁴ = 56631433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56631409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4802 + ... + 11675.

It is an arithmetic number, because the mean of its divisors is an integer number (8107176).

Almost surely, 2^56631449 is an apocalyptic number.

It is an amenable number.

56631449 is a deficient number, since it is larger than the sum of its proper divisors (8225959).

56631449 is a wasteful number, since it uses less digits than its factorization.

56631449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16975.

The product of its digits is 77760, while the sum is 38.

The square root of 56631449 is about 7525.3869667945. The cubic root of 56631449 is about 384.0188634577.

The spelling of 56631449 in words is "fifty-six million, six hundred thirty-one thousand, four hundred forty-nine".