56104993 has 4 divisors (see below), whose sum is σ = 64120000. Its totient is φ = 48089988.

The previous prime is 56104991. The next prime is 56104999. The reversal of 56104993 is 39940165.

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, and also an emirpimes, since its reverse is a distinct semiprime: 39940165 = 5 ⋅7988033.

It is a cyclic number.

It is not a de Polignac number, because 56104993 - 2¹ = 56104991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (56104991) 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, 4007493 + ... + 4007506.

It is an arithmetic number, because the mean of its divisors is an integer number (16030000).

Almost surely, 2^56104993 is an apocalyptic number.

It is an amenable number.

56104993 is a deficient number, since it is larger than the sum of its proper divisors (8015007).

56104993 is an equidigital number, since it uses as much as digits as its factorization.

56104993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8015006.

The product of its (nonzero) digits is 29160, while the sum is 37.

The square root of 56104993 is about 7490.3266283921. The cubic root of 56104993 is about 382.8251877389.

The spelling of 56104993 in words is "fifty-six million, one hundred four thousand, nine hundred ninety-three".