56838761 has 4 divisors (see below), whose sum is σ = 64958592. Its totient is φ = 48718932.

The previous prime is 56838739. The next prime is 56838781. The reversal of 56838761 is 16783865.

56838761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a cyclic number.

It is not a de Polignac number, because 56838761 - 2¹⁴ = 56822377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56838731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4059905 + ... + 4059918.

It is an arithmetic number, because the mean of its divisors is an integer number (16239648).

Almost surely, 2^56838761 is an apocalyptic number.

It is an amenable number.

56838761 is a deficient number, since it is larger than the sum of its proper divisors (8119831).

56838761 is an equidigital number, since it uses as much as digits as its factorization.

56838761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8119830.

The product of its digits is 241920, while the sum is 44.

The square root of 56838761 is about 7539.1485593534. The cubic root of 56838761 is about 384.4868882723.

The spelling of 56838761 in words is "fifty-six million, eight hundred thirty-eight thousand, seven hundred sixty-one".