56983690 has 16 divisors (see below), whose sum is σ = 103356000. Its totient is φ = 22618960.

The previous prime is 56983681. The next prime is 56983691. The reversal of 56983690 is 9638965.

It is a super-2 number, since 2×56983690² = 6494281852032200, which contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 56983690.

It is not an unprimeable number, because it can be changed into a prime (56983691) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20440 + ... + 23059.

It is an arithmetic number, because the mean of its divisors is an integer number (6459750).

Almost surely, 2^56983690 is an apocalyptic number.

56983690 is a deficient number, since it is larger than the sum of its proper divisors (46372310).

56983690 is a wasteful number, since it uses less digits than its factorization.

56983690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43637.

The product of its (nonzero) digits is 349920, while the sum is 46.

The square root of 56983690 is about 7548.7542018534. The cubic root of 56983690 is about 384.8134025772.

The spelling of 56983690 in words is "fifty-six million, nine hundred eighty-three thousand, six hundred ninety".