56997508 has 6 divisors (see below), whose sum is σ = 99745646. Its totient is φ = 28498752.

The previous prime is 56997461. The next prime is 56997529. The reversal of 56997508 is 80579965.

56997508 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 39841344 + 17156164 = 6312^2 + 4142^2 .

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, 7124685 + ... + 7124692.

Almost surely, 2^56997508 is an apocalyptic number.

It is an amenable number.

56997508 is a deficient number, since it is larger than the sum of its proper divisors (42748138).

56997508 is a wasteful number, since it uses less digits than its factorization.

56997508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14249381 (or 14249379 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 56997508 is about 7549.6693967352. The cubic root of 56997508 is about 384.8445045870.

The spelling of 56997508 in words is "fifty-six million, nine hundred ninety-seven thousand, five hundred eight".