56117253 has 4 divisors (see below), whose sum is σ = 74823008. Its totient is φ = 37411500.

The previous prime is 56117251. The next prime is 56117261. The reversal of 56117253 is 35271165.

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 not a de Polignac number, because 56117253 - 2¹ = 56117251 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 56117253.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56117251) 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, 9352873 + ... + 9352878.

It is an arithmetic number, because the mean of its divisors is an integer number (18705752).

Almost surely, 2^56117253 is an apocalyptic number.

It is an amenable number.

56117253 is a deficient number, since it is larger than the sum of its proper divisors (18705755).

56117253 is a wasteful number, since it uses less digits than its factorization.

56117253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18705754.

The product of its digits is 6300, while the sum is 30.

The square root of 56117253 is about 7491.1449725659. The cubic root of 56117253 is about 382.8530705512.

The spelling of 56117253 in words is "fifty-six million, one hundred seventeen thousand, two hundred fifty-three".