56122279 has 4 divisors (see below), whose sum is σ = 58057560. Its totient is φ = 54187000.

The previous prime is 56122273. The next prime is 56122289. The reversal of 56122279 is 97222165.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56122279 - 2¹⁹ = 55597991 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 (56122273) 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, 967597 + ... + 967654.

It is an arithmetic number, because the mean of its divisors is an integer number (14514390).

Almost surely, 2^56122279 is an apocalyptic number.

56122279 is a deficient number, since it is larger than the sum of its proper divisors (1935281).

56122279 is a wasteful number, since it uses less digits than its factorization.

56122279 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1935280.

The product of its digits is 15120, while the sum is 34.

The square root of 56122279 is about 7491.4804277926. The cubic root of 56122279 is about 382.8644999660.

The spelling of 56122279 in words is "fifty-six million, one hundred twenty-two thousand, two hundred seventy-nine".