56266540 has 24 divisors (see below), whose sum is σ = 128902032. Its totient is φ = 20460480.

The previous prime is 56266523. The next prime is 56266559. The reversal of 56266540 is 4566265.

It is a junction number, because it is equal to n+sod(n) for n = 56266496 and 56266505.

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, 127659 + ... + 128098.

It is an arithmetic number, because the mean of its divisors is an integer number (5370918).

Almost surely, 2^56266540 is an apocalyptic number.

It is an amenable number.

56266540 is an abundant number, since it is smaller than the sum of its proper divisors (72635492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56266540 is a wasteful number, since it uses less digits than its factorization.

56266540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255777 (or 255775 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 56266540 is about 7501.1025856203. The cubic root of 56266540 is about 383.1922673550.

The spelling of 56266540 in words is "fifty-six million, two hundred sixty-six thousand, five hundred forty".