56909741 has 4 divisors (see below), whose sum is σ = 65039712. Its totient is φ = 48779772.

The previous prime is 56909719. The next prime is 56909747. The reversal of 56909741 is 14790965.

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 a de Polignac number, because none of the positive numbers 2^k-56909741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56909747) 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, 4064975 + ... + 4064988.

It is an arithmetic number, because the mean of its divisors is an integer number (16259928).

Almost surely, 2^56909741 is an apocalyptic number.

It is an amenable number.

56909741 is a deficient number, since it is larger than the sum of its proper divisors (8129971).

56909741 is an equidigital number, since it uses as much as digits as its factorization.

56909741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8129970.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 56909741 is about 7543.8545187457. The cubic root of 56909741 is about 384.6468702194.

The spelling of 56909741 in words is "fifty-six million, nine hundred nine thousand, seven hundred forty-one".