56161753 has 4 divisors (see below), whose sum is σ = 56263140. Its totient is φ = 56060368.

The previous prime is 56161697. The next prime is 56161789. The reversal of 56161753 is 35716165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35716165 = 5 ⋅7143233.

It can be written as a sum of positive squares in 2 ways, for example, as 3337929 + 52823824 = 1827^2 + 7268^2 .

It is a cyclic number.

It is not a de Polignac number, because 56161753 - 2¹³ = 56153561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56161793) 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, 49858 + ... + 50971.

It is an arithmetic number, because the mean of its divisors is an integer number (14065785).

Almost surely, 2^56161753 is an apocalyptic number.

It is an amenable number.

56161753 is a deficient number, since it is larger than the sum of its proper divisors (101387).

56161753 is a wasteful number, since it uses less digits than its factorization.

56161753 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101386.

The product of its digits is 18900, while the sum is 34.

The square root of 56161753 is about 7494.1145574377. The cubic root of 56161753 is about 382.9542424094.

The spelling of 56161753 in words is "fifty-six million, one hundred sixty-one thousand, seven hundred fifty-three".