56755651 has 4 divisors (see below), whose sum is σ = 59223312. Its totient is φ = 54287992.

The previous prime is 56755631. The next prime is 56755661. The reversal of 56755651 is 15655765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15655765 = 5 ⋅3131153.

It is a cyclic number.

It is not a de Polignac number, because 56755651 - 2¹¹ = 56753603 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56755631) 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, 1233796 + ... + 1233841.

It is an arithmetic number, because the mean of its divisors is an integer number (14805828).

Almost surely, 2^56755651 is an apocalyptic number.

56755651 is a deficient number, since it is larger than the sum of its proper divisors (2467661).

56755651 is a wasteful number, since it uses less digits than its factorization.

56755651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2467660.

The product of its digits is 157500, while the sum is 40.

The square root of 56755651 is about 7533.6346473664. The cubic root of 56755651 is about 384.2993971296.

The spelling of 56755651 in words is "fifty-six million, seven hundred fifty-five thousand, six hundred fifty-one".