56770851 has 4 divisors (see below), whose sum is σ = 75694472. Its totient is φ = 37847232.

The previous prime is 56770849. The next prime is 56770853. The reversal of 56770851 is 15807765.

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

It is an interprime number because it is at equal distance from previous prime (56770849) and next prime (56770853).

It is not a de Polignac number, because 56770851 - 2¹ = 56770849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56770853) 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, 9461806 + ... + 9461811.

It is an arithmetic number, because the mean of its divisors is an integer number (18923618).

Almost surely, 2^56770851 is an apocalyptic number.

56770851 is a deficient number, since it is larger than the sum of its proper divisors (18923621).

56770851 is a wasteful number, since it uses less digits than its factorization.

56770851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18923620.

The product of its (nonzero) digits is 58800, while the sum is 39.

The square root of 56770851 is about 7534.6433890397. The cubic root of 56770851 is about 384.3337010820. Note that the first 3 decimals are identical.

The spelling of 56770851 in words is "fifty-six million, seven hundred seventy thousand, eight hundred fifty-one".