54564312031 has 4 divisors (see below), whose sum is σ = 54632774952. Its totient is φ = 54495849112.

The previous prime is 54564312001. The next prime is 54564312037. The reversal of 54564312031 is 13021346545.

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 54564312031 - 2⁹ = 54564311519 is a prime.

It is a super-2 number, since 2×54564312031² (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 (54564312037) 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, 34230265 + ... + 34231858.

It is an arithmetic number, because the mean of its divisors is an integer number (13658193738).

Almost surely, 2^54564312031 is an apocalyptic number.

54564312031 is a deficient number, since it is larger than the sum of its proper divisors (68462921).

54564312031 is an equidigital number, since it uses as much as digits as its factorization.

54564312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68462920.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 54564312031 its reverse (13021346545), we get a palindrome (67585658576).

The spelling of 54564312031 in words is "fifty-four billion, five hundred sixty-four million, three hundred twelve thousand, thirty-one".