61756056 has 24 divisors (see below), whose sum is σ = 167256180. Its totient is φ = 20585328.

The previous prime is 61756043. The next prime is 61756063. The reversal of 61756056 is 65065716.

It is a happy number.

61756056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 61756056.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 428790 + ... + 428933.

Almost surely, 2^61756056 is an apocalyptic number.

It is an amenable number.

61756056 is an abundant number, since it is smaller than the sum of its proper divisors (105500124).

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

61756056 is a wasteful number, since it uses less digits than its factorization.

61756056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857735 (or 857728 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 61756056 is about 7858.5021473561. The cubic root of 61756056 is about 395.2693905539.

The spelling of 61756056 in words is "sixty-one million, seven hundred fifty-six thousand, fifty-six".