56919967 has 8 divisors (see below), whose sum is σ = 61360880. Its totient is φ = 52488000.

The previous prime is 56919959. The next prime is 56919971. The reversal of 56919967 is 76991965.

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 56919967 - 2³ = 56919959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56919977) 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, 17467 + ... + 20467.

It is an arithmetic number, because the mean of its divisors is an integer number (7670110).

Almost surely, 2^56919967 is an apocalyptic number.

56919967 is a deficient number, since it is larger than the sum of its proper divisors (4440913).

56919967 is a wasteful number, since it uses less digits than its factorization.

56919967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4473.

The product of its digits is 918540, while the sum is 52.

The square root of 56919967 is about 7544.5322585300. The cubic root of 56919967 is about 384.6699076540.

The spelling of 56919967 in words is "fifty-six million, nine hundred nineteen thousand, nine hundred sixty-seven".