56737736 has 16 divisors (see below), whose sum is σ = 116054640. Its totient is φ = 25789840.

The previous prime is 56737699. The next prime is 56737739. The reversal of 56737736 is 63773765.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is not an unprimeable number, because it can be changed into a prime (56737739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322286 + ... + 322461.

It is an arithmetic number, because the mean of its divisors is an integer number (7253415).

Almost surely, 2^56737736 is an apocalyptic number.

It is an amenable number.

56737736 is an abundant number, since it is smaller than the sum of its proper divisors (59316904).

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

56737736 is a wasteful number, since it uses less digits than its factorization.

56737736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644764 (or 644760 counting only the distinct ones).

The product of its digits is 555660, while the sum is 44.

The square root of 56737736 is about 7532.4455524086. The cubic root of 56737736 is about 384.2589579951.

The spelling of 56737736 in words is "fifty-six million, seven hundred thirty-seven thousand, seven hundred thirty-six".