56022137 has 4 divisors (see below), whose sum is σ = 56254836. Its totient is φ = 55789440.

The previous prime is 56022133. The next prime is 56022149. The reversal of 56022137 is 73122065.

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

It can be written as a sum of positive squares in 2 ways, for example, as 41422096 + 14600041 = 6436^2 + 3821^2 .

It is a cyclic number.

It is not a de Polignac number, because 56022137 - 2² = 56022133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56022133) 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, 115988 + ... + 116469.

It is an arithmetic number, because the mean of its divisors is an integer number (14063709).

Almost surely, 2^56022137 is an apocalyptic number.

It is an amenable number.

56022137 is a deficient number, since it is larger than the sum of its proper divisors (232699).

56022137 is a wasteful number, since it uses less digits than its factorization.

56022137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232698.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 56022137 is about 7484.7937179324. The cubic root of 56022137 is about 382.6366424817.

The spelling of 56022137 in words is "fifty-six million, twenty-two thousand, one hundred thirty-seven".