56737563 has 16 divisors (see below), whose sum is σ = 78489600. Its totient is φ = 36429120.

The previous prime is 56737559. The next prime is 56737567. The reversal of 56737563 is 36573765.

It is an interprime number because it is at equal distance from previous prime (56737559) and next prime (56737567).

It is not a de Polignac number, because 56737563 - 2² = 56737559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56737567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6798 + ... + 12636.

It is an arithmetic number, because the mean of its divisors is an integer number (4905600).

Almost surely, 2^56737563 is an apocalyptic number.

56737563 is a deficient number, since it is larger than the sum of its proper divisors (21752037).

56737563 is a wasteful number, since it uses less digits than its factorization.

56737563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5962.

The product of its digits is 396900, while the sum is 42.

The square root of 56737563 is about 7532.4340687456. The cubic root of 56737563 is about 384.2585674445.

The spelling of 56737563 in words is "fifty-six million, seven hundred thirty-seven thousand, five hundred sixty-three".