56726849 has 4 divisors (see below), whose sum is σ = 56759040. Its totient is φ = 56694660.

The previous prime is 56726843. The next prime is 56726867. The reversal of 56726849 is 94862765.

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-56726849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56726843) 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, 13289 + ... + 17030.

It is an arithmetic number, because the mean of its divisors is an integer number (14189760).

Almost surely, 2^56726849 is an apocalyptic number.

It is an amenable number.

56726849 is a deficient number, since it is larger than the sum of its proper divisors (32191).

56726849 is a wasteful number, since it uses less digits than its factorization.

56726849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32190.

The product of its digits is 725760, while the sum is 47.

The square root of 56726849 is about 7531.7228440776. The cubic root of 56726849 is about 384.2343788515.

It can be divided in two parts, 56726 and 849, that added together give a palindrome (57575).

The spelling of 56726849 in words is "fifty-six million, seven hundred twenty-six thousand, eight hundred forty-nine".