56737216 has 14 divisors (see below), whose sum is σ = 112588040. Its totient is φ = 28368576.

The previous prime is 56737207. The next prime is 56737277. The reversal of 56737216 is 61273765.

56737216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×56737216² = 6438223358861312, which contains 22 as substring.

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 as a sum of consecutive naturals, namely, 443196 + ... + 443323.

Almost surely, 2^56737216 is an apocalyptic number.

It is an amenable number.

56737216 is a deficient number, since it is larger than the sum of its proper divisors (55850824).

56737216 is an equidigital number, since it uses as much as digits as its factorization.

56737216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886531 (or 886521 counting only the distinct ones).

The product of its digits is 52920, while the sum is 37.

The square root of 56737216 is about 7532.4110349874. The cubic root of 56737216 is about 384.2577840835.

It can be divided in two parts, 56737 and 216, that added together give a triangular number (56953 = T₃₃₇).

The spelling of 56737216 in words is "fifty-six million, seven hundred thirty-seven thousand, two hundred sixteen".