56053651 has 4 divisors (see below), whose sum is σ = 56430000. Its totient is φ = 55677304.

The previous prime is 56053649. The next prime is 56053661. The reversal of 56053651 is 15635065.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15635065 = 5 ⋅3127013.

It is a cyclic number.

It is not a de Polignac number, because 56053651 - 2¹ = 56053649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56053661) 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, 187951 + ... + 188248.

It is an arithmetic number, because the mean of its divisors is an integer number (14107500).

Almost surely, 2^56053651 is an apocalyptic number.

56053651 is a deficient number, since it is larger than the sum of its proper divisors (376349).

56053651 is a wasteful number, since it uses less digits than its factorization.

56053651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 376348.

The product of its (nonzero) digits is 13500, while the sum is 31.

The square root of 56053651 is about 7486.8986235958. The cubic root of 56053651 is about 382.7083769272.

The spelling of 56053651 in words is "fifty-six million, fifty-three thousand, six hundred fifty-one".