56497560 has 128 divisors (see below), whose sum is σ = 195886080. Its totient is φ = 12768768.

The previous prime is 56497559. The next prime is 56497589. The reversal of 56497560 is 6579465.

56497560 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 (42).

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 31 ways as a sum of consecutive naturals, for example, 86194 + ... + 86846.

It is an arithmetic number, because the mean of its divisors is an integer number (1530360).

Almost surely, 2^56497560 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 56497560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97943040).

56497560 is an abundant number, since it is smaller than the sum of its proper divisors (139388520).

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

56497560 is a wasteful number, since it uses less digits than its factorization.

56497560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777 (or 773 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 56497560 is about 7516.4858810484. The cubic root of 56497560 is about 383.7159900823.

The spelling of 56497560 in words is "fifty-six million, four hundred ninety-seven thousand, five hundred sixty".