56497568 has 48 divisors (see below), whose sum is σ = 120113280. Its totient is φ = 26078976.

The previous prime is 56497559. The next prime is 56497589. The reversal of 56497568 is 86579465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20021 + ... + 22667.

It is an arithmetic number, because the mean of its divisors is an integer number (2502360).

Almost surely, 2^56497568 is an apocalyptic number.

56497568 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56497568, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60056640).

56497568 is an abundant number, since it is smaller than the sum of its proper divisors (63615712).

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

56497568 is a wasteful number, since it uses less digits than its factorization.

56497568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2709 (or 2701 counting only the distinct ones).

The product of its digits is 1814400, while the sum is 50.

The square root of 56497568 is about 7516.4864132120. The cubic root of 56497568 is about 383.7160081935.

The spelling of 56497568 in words is "fifty-six million, four hundred ninety-seven thousand, five hundred sixty-eight".