56648090 has 8 divisors (see below), whose sum is σ = 101966580. Its totient is φ = 22659232.

The previous prime is 56648089. The next prime is 56648093. The reversal of 56648090 is 9084665.

It can be written as a sum of positive squares in 2 ways, for example, as 55457809 + 1190281 = 7447^2 + 1091^2 .

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

It is a super-2 number, since 2×56648090² = 6418012201296200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56648093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2832395 + ... + 2832414.

Almost surely, 2^56648090 is an apocalyptic number.

56648090 is a deficient number, since it is larger than the sum of its proper divisors (45318490).

56648090 is a wasteful number, since it uses less digits than its factorization.

56648090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5664816.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 56648090 is about 7526.4925430110. The cubic root of 56648090 is about 384.0564740798.

The spelling of 56648090 in words is "fifty-six million, six hundred forty-eight thousand, ninety".