56420776 has 32 divisors (see below), whose sum is σ = 110205000. Its totient is φ = 27046656.

The previous prime is 56420759. The next prime is 56420801. The reversal of 56420776 is 67702465.

It can be written as a sum of positive squares in 4 ways, for example, as 40018276 + 16402500 = 6326^2 + 4050^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35650 + ... + 37198.

Almost surely, 2^56420776 is an apocalyptic number.

It is an amenable number.

56420776 is a deficient number, since it is larger than the sum of its proper divisors (53784224).

56420776 is a wasteful number, since it uses less digits than its factorization.

56420776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1741 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 56420776 is about 7511.3764384432. The cubic root of 56420776 is about 383.5420792904.

The spelling of 56420776 in words is "fifty-six million, four hundred twenty thousand, seven hundred seventy-six".