56613020 has 12 divisors (see below), whose sum is σ = 118887384. Its totient is φ = 22645200.

The previous prime is 56613019. The next prime is 56613031. The reversal of 56613020 is 2031665.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1415306 + ... + 1415345.

It is an arithmetic number, because the mean of its divisors is an integer number (9907282).

Almost surely, 2^56613020 is an apocalyptic number.

It is an amenable number.

56613020 is an abundant number, since it is smaller than the sum of its proper divisors (62274364).

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

56613020 is a wasteful number, since it uses less digits than its factorization.

56613020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830660 (or 2830658 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 56613020 is about 7524.1624118569. The cubic root of 56613020 is about 383.9772031461.

Adding to 56613020 its reverse (2031665), we get a palindrome (58644685).

The spelling of 56613020 in words is "fifty-six million, six hundred thirteen thousand, twenty".