56648037 has 4 divisors (see below), whose sum is σ = 75530720. Its totient is φ = 37765356.

The previous prime is 56648027. The next prime is 56648041. The reversal of 56648037 is 73084665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 56648037 - 2⁷ = 56647909 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56647986 and 56648004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56648017) 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, 9441337 + ... + 9441342.

It is an arithmetic number, because the mean of its divisors is an integer number (18882680).

Almost surely, 2^56648037 is an apocalyptic number.

It is an amenable number.

56648037 is a deficient number, since it is larger than the sum of its proper divisors (18882683).

56648037 is a wasteful number, since it uses less digits than its factorization.

56648037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18882682.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 56648037 is about 7526.4890221138. The cubic root of 56648037 is about 384.0563543052.

The spelling of 56648037 in words is "fifty-six million, six hundred forty-eight thousand, thirty-seven".