61102056 has 16 divisors (see below), whose sum is σ = 152755200. Its totient is φ = 20367344.

The previous prime is 61102049. The next prime is 61102061. The reversal of 61102056 is 65020116.

It is a happy number.

It is a super-2 number, since 2×61102056² = 7466922494854272, which contains 22 as substring.

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, 1272936 + ... + 1272983.

It is an arithmetic number, because the mean of its divisors is an integer number (9547200).

Almost surely, 2^61102056 is an apocalyptic number.

It is an amenable number.

61102056 is an abundant number, since it is smaller than the sum of its proper divisors (91653144).

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

61102056 is a wasteful number, since it uses less digits than its factorization.

61102056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545928 (or 2545924 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 61102056 is about 7816.7804113970. The cubic root of 61102056 is about 393.8691277742.

The spelling of 61102056 in words is "sixty-one million, one hundred two thousand, fifty-six".