56643130 has 8 divisors (see below), whose sum is σ = 101957652. Its totient is φ = 22657248.

The previous prime is 56643113. The next prime is 56643149. The reversal of 56643130 is 3134665.

It can be written as a sum of positive squares in 2 ways, for example, as 56085121 + 558009 = 7489^2 + 747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 2832147 + ... + 2832166.

Almost surely, 2^56643130 is an apocalyptic number.

56643130 is a deficient number, since it is larger than the sum of its proper divisors (45314522).

56643130 is a wasteful number, since it uses less digits than its factorization.

56643130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5664320.

The product of its (nonzero) digits is 6480, while the sum is 28.

The square root of 56643130 is about 7526.1630330468. The cubic root of 56643130 is about 384.0452646656.

Adding to 56643130 its reverse (3134665), we get a palindrome (59777795).

The spelling of 56643130 in words is "fifty-six million, six hundred forty-three thousand, one hundred thirty".