56117699 has 4 divisors (see below), whose sum is σ = 61219320. Its totient is φ = 51016080.

The previous prime is 56117693. The next prime is 56117717. The reversal of 56117699 is 99671165.

It is a happy number.

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 56117699 - 2⁴ = 56117683 is a prime.

It is a super-2 number, since 2×56117699² = 6298392282109202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56117693) 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, 2550794 + ... + 2550815.

It is an arithmetic number, because the mean of its divisors is an integer number (15304830).

Almost surely, 2^56117699 is an apocalyptic number.

56117699 is a deficient number, since it is larger than the sum of its proper divisors (5101621).

56117699 is a wasteful number, since it uses less digits than its factorization.

56117699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5101620.

The product of its digits is 102060, while the sum is 44.

The square root of 56117699 is about 7491.1747409869. The cubic root of 56117699 is about 382.8540848086.

The spelling of 56117699 in words is "fifty-six million, one hundred seventeen thousand, six hundred ninety-nine".