61015056 has 20 divisors (see below), whose sum is σ = 157622352. Its totient is φ = 20338336.

The previous prime is 61015051. The next prime is 61015063. The reversal of 61015056 is 65051016.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (61015051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 635526 + ... + 635621.

Almost surely, 2^61015056 is an apocalyptic number.

It is an amenable number.

61015056 is an abundant number, since it is smaller than the sum of its proper divisors (96607296).

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

61015056 is a wasteful number, since it uses less digits than its factorization.

61015056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1271158 (or 1271152 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 24.

The square root of 61015056 is about 7811.2134780711. The cubic root of 61015056 is about 393.6821024775.

The spelling of 61015056 in words is "sixty-one million, fifteen thousand, fifty-six".