56992860 has 72 divisors (see below), whose sum is σ = 174270096. Its totient is φ = 15075840.

The previous prime is 56992847. The next prime is 56992867. The reversal of 56992860 is 6829965.

56992860 is a `hidden beast` number, since 569 + 9 + 2 + 86 + 0 = 666.

56992860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56992867) 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 23 ways as a sum of consecutive naturals, for example, 22372 + ... + 24788.

It is an arithmetic number, because the mean of its divisors is an integer number (2420418).

Almost surely, 2^56992860 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56992860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87135048).

56992860 is an abundant number, since it is smaller than the sum of its proper divisors (117277236).

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

56992860 is a wasteful number, since it uses less digits than its factorization.

56992860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2563 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 56992860 is about 7549.3615624104. The cubic root of 56992860 is about 384.8340432765.

The spelling of 56992860 in words is "fifty-six million, nine hundred ninety-two thousand, eight hundred sixty".