56621411 has 32 divisors (see below), whose sum is σ = 73920000. Its totient is φ = 42971040.

The previous prime is 56621401. The next prime is 56621413. The reversal of 56621411 is 11412665.

It is a de Polignac number, because none of the positive numbers 2^k-56621411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56621413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162065 + ... + 162413.

It is an arithmetic number, because the mean of its divisors is an integer number (2310000).

Almost surely, 2^56621411 is an apocalyptic number.

56621411 is a deficient number, since it is larger than the sum of its proper divisors (17298589).

56621411 is a wasteful number, since it uses less digits than its factorization.

56621411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 410 counting only the distinct ones).

The product of its digits is 1440, while the sum is 26.

The square root of 56621411 is about 7524.7199947905. The cubic root of 56621411 is about 383.9961728315.

The spelling of 56621411 in words is "fifty-six million, six hundred twenty-one thousand, four hundred eleven".