56722367 has 4 divisors (see below), whose sum is σ = 61085640. Its totient is φ = 52359096.

The previous prime is 56722361. The next prime is 56722381. The reversal of 56722367 is 76322765.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76322765 = 5 ⋅15264553.

It is a cyclic number.

It is not a de Polignac number, because 56722367 - 2⁸ = 56722111 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56722367.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56722361) 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, 2181617 + ... + 2181642.

It is an arithmetic number, because the mean of its divisors is an integer number (15271410).

Almost surely, 2^56722367 is an apocalyptic number.

56722367 is a deficient number, since it is larger than the sum of its proper divisors (4363273).

56722367 is a wasteful number, since it uses less digits than its factorization.

56722367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4363272.

The product of its digits is 105840, while the sum is 38.

The square root of 56722367 is about 7531.4252967151. The cubic root of 56722367 is about 384.2242591059.

The spelling of 56722367 in words is "fifty-six million, seven hundred twenty-two thousand, three hundred sixty-seven".