61042056 has 32 divisors (see below), whose sum is σ = 153384000. Its totient is φ = 20243520.

The previous prime is 61042021. The next prime is 61042057. The reversal of 61042056 is 65024016.

61042056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×61042056² = 7452265201414272, which contains 22 as substring.

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 (61042057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1615 + ... + 11166.

It is an arithmetic number, because the mean of its divisors is an integer number (4793250).

Almost surely, 2^61042056 is an apocalyptic number.

It is an amenable number.

61042056 is an abundant number, since it is smaller than the sum of its proper divisors (92341944).

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

61042056 is a wasteful number, since it uses less digits than its factorization.

61042056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12989 (or 12985 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 61042056 is about 7812.9415715209. The cubic root of 61042056 is about 393.7401638258.

The spelling of 61042056 in words is "sixty-one million, forty-two thousand, fifty-six".