56631467 has 4 divisors (see below), whose sum is σ = 56705880. Its totient is φ = 56557056.

The previous prime is 56631433. The next prime is 56631469. The reversal of 56631467 is 76413665.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76413665 = 5 ⋅15282733.

It is a cyclic number.

It is not a de Polignac number, because 56631467 - 2¹² = 56627371 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56631467.

It is not an unprimeable number, because it can be changed into a prime (56631469) 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, 36053 + ... + 37590.

It is an arithmetic number, because the mean of its divisors is an integer number (14176470).

Almost surely, 2^56631467 is an apocalyptic number.

56631467 is a deficient number, since it is larger than the sum of its proper divisors (74413).

56631467 is an equidigital number, since it uses as much as digits as its factorization.

56631467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74412.

The product of its digits is 90720, while the sum is 38.

The square root of 56631467 is about 7525.3881627462. The cubic root of 56631467 is about 384.0189041439.

The spelling of 56631467 in words is "fifty-six million, six hundred thirty-one thousand, four hundred sixty-seven".