56543160031 has 4 divisors (see below), whose sum is σ = 58492924200. Its totient is φ = 54593395864.

The previous prime is 56543160001. The next prime is 56543160053. The reversal of 56543160031 is 13006134565.

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 56543160031 - 2⁵ = 56543159999 is a prime.

It is a super-2 number, since 2×56543160031² (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 (56543160001) 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, 974882041 + ... + 974882098.

It is an arithmetic number, because the mean of its divisors is an integer number (14623231050).

Almost surely, 2^56543160031 is an apocalyptic number.

56543160031 is a deficient number, since it is larger than the sum of its proper divisors (1949764169).

56543160031 is a wasteful number, since it uses less digits than its factorization.

56543160031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1949764168.

The product of its (nonzero) digits is 32400, while the sum is 34.

Adding to 56543160031 its reverse (13006134565), we get a palindrome (69549294596).

The spelling of 56543160031 in words is "fifty-six billion, five hundred forty-three million, one hundred sixty thousand, thirty-one".