56626540 has 48 divisors (see below), whose sum is σ = 122798592. Its totient is φ = 21922496.

The previous prime is 56626519. The next prime is 56626543. The reversal of 56626540 is 4562665.

It is a junction number, because it is equal to n+sod(n) for n = 56626496 and 56626505.

It is not an unprimeable number, because it can be changed into a prime (56626543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100299 + ... + 100861.

It is an arithmetic number, because the mean of its divisors is an integer number (2558304).

Almost surely, 2^56626540 is an apocalyptic number.

It is an amenable number.

56626540 is an abundant number, since it is smaller than the sum of its proper divisors (66172052).

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

56626540 is a wasteful number, since it uses less digits than its factorization.

56626540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 724 counting only the distinct ones).

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

The square root of 56626540 is about 7525.0607970966. The cubic root of 56626540 is about 384.0077671317.

The spelling of 56626540 in words is "fifty-six million, six hundred twenty-six thousand, five hundred forty".