56447967 has 8 divisors (see below), whose sum is σ = 75354624. Its totient is φ = 37586648.

The previous prime is 56447959. The next prime is 56447981. The reversal of 56447967 is 76974465.

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

It is a cyclic number.

It is not a de Polignac number, because 56447967 - 2³ = 56447959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56437967) 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, 8313 + ... + 13490.

It is an arithmetic number, because the mean of its divisors is an integer number (9419328).

Almost surely, 2^56447967 is an apocalyptic number.

56447967 is a deficient number, since it is larger than the sum of its proper divisors (18906657).

56447967 is a wasteful number, since it uses less digits than its factorization.

56447967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22669.

The product of its digits is 1270080, while the sum is 48.

The square root of 56447967 is about 7513.1862082608. The cubic root of 56447967 is about 383.6036831802.

The spelling of 56447967 in words is "fifty-six million, four hundred forty-seven thousand, nine hundred sixty-seven".