56770967 has 4 divisors (see below), whose sum is σ = 61931976. Its totient is φ = 51609960.

The previous prime is 56770957. The next prime is 56770979. The reversal of 56770967 is 76907765.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56770967 - 2²² = 52576663 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 (56770907) 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, 2580488 + ... + 2580509.

It is an arithmetic number, because the mean of its divisors is an integer number (15482994).

Almost surely, 2^56770967 is an apocalyptic number.

56770967 is a deficient number, since it is larger than the sum of its proper divisors (5161009).

56770967 is a wasteful number, since it uses less digits than its factorization.

56770967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161008.

The product of its (nonzero) digits is 555660, while the sum is 47.

The square root of 56770967 is about 7534.6510868122. The cubic root of 56770967 is about 384.3339628518. Note that the first 3 decimals are identical.

The spelling of 56770967 in words is "fifty-six million, seven hundred seventy thousand, nine hundred sixty-seven".