61579056 has 80 divisors (see below), whose sum is σ = 198344448. Its totient is φ = 15993600.

The previous prime is 61579033. The next prime is 61579099. The reversal of 61579056 is 65097516.

It is a super-2 number, since 2×61579056² = 7583960275702272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4635 + ... + 12026.

Almost surely, 2^61579056 is an apocalyptic number.

61579056 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

61579056 is an abundant number, since it is smaller than the sum of its proper divisors (136765392).

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

61579056 is a wasteful number, since it uses less digits than its factorization.

61579056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16690 (or 16684 counting only the distinct ones).

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 61579056 is about 7847.2323783612. The cubic root of 61579056 is about 394.8913999368.

The spelling of 61579056 in words is "sixty-one million, five hundred seventy-nine thousand, fifty-six".