56649522 has 8 divisors (see below), whose sum is σ = 113299056. Its totient is φ = 18883172.

The previous prime is 56649521. The next prime is 56649563. The reversal of 56649522 is 22594665.

It is a sphenic number, since it is the product of 3 distinct primes.

56649522 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (56649521) 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, 4720788 + ... + 4720799.

It is an arithmetic number, because the mean of its divisors is an integer number (14162382).

Almost surely, 2^56649522 is an apocalyptic number.

56649522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

56649522 is a wasteful number, since it uses less digits than its factorization.

56649522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9441592.

The product of its digits is 129600, while the sum is 39.

The square root of 56649522 is about 7526.5876730428. The cubic root of 56649522 is about 384.0597102244.

The spelling of 56649522 in words is "fifty-six million, six hundred forty-nine thousand, five hundred twenty-two".