56969216 has 24 divisors (see below), whose sum is σ = 113914710. Its totient is φ = 28483584.

The previous prime is 56969203. The next prime is 56969243. The reversal of 56969216 is 61296965.

It can be written as a sum of positive squares in only one way, i.e., 47334400 + 9634816 = 6880^2 + 3104^2 .

It is an alternating number because its digits alternate between odd and even.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11861 + ... + 15956.

Almost surely, 2^56969216 is an apocalyptic number.

It is an amenable number.

56969216 is a deficient number, since it is larger than the sum of its proper divisors (56945494).

56969216 is an equidigital number, since it uses as much as digits as its factorization.

56969216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27839 (or 27819 counting only the distinct ones).

The product of its digits is 174960, while the sum is 44.

The square root of 56969216 is about 7547.7954397294. The cubic root of 56969216 is about 384.7808186288.

The spelling of 56969216 in words is "fifty-six million, nine hundred sixty-nine thousand, two hundred sixteen".