56541170431 has 4 divisors (see below), whose sum is σ = 56541682912. Its totient is φ = 56540657952.

The previous prime is 56541170429. The next prime is 56541170447. The reversal of 56541170431 is 13407114565.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 56541170431 - 2¹ = 56541170429 is a prime.

It is a super-2 number, since 2×56541170431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56541170531) 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, 15111 + ... + 336616.

It is an arithmetic number, because the mean of its divisors is an integer number (14135420728).

Almost surely, 2^56541170431 is an apocalyptic number.

56541170431 is a deficient number, since it is larger than the sum of its proper divisors (512481).

56541170431 is a wasteful number, since it uses less digits than its factorization.

56541170431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512480.

The product of its (nonzero) digits is 50400, while the sum is 37.

Adding to 56541170431 its reverse (13407114565), we get a palindrome (69948284996).

The spelling of 56541170431 in words is "fifty-six billion, five hundred forty-one million, one hundred seventy thousand, four hundred thirty-one".