54931573 has 4 divisors (see below), whose sum is σ = 58162860. Its totient is φ = 51700288.

The previous prime is 54931571. The next prime is 54931589. The reversal of 54931573 is 37513945.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24383844 + 30547729 = 4938^2 + 5527^2 .

It is a cyclic number.

It is not a de Polignac number, because 54931573 - 2¹ = 54931571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54931571) 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, 1615618 + ... + 1615651.

It is an arithmetic number, because the mean of its divisors is an integer number (14540715).

Almost surely, 2^54931573 is an apocalyptic number.

It is an amenable number.

54931573 is a deficient number, since it is larger than the sum of its proper divisors (3231287).

54931573 is a wasteful number, since it uses less digits than its factorization.

54931573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3231286.

The product of its digits is 56700, while the sum is 37.

The square root of 54931573 is about 7411.5837039057. The cubic root of 54931573 is about 380.1374687306.

The spelling of 54931573 in words is "fifty-four million, nine hundred thirty-one thousand, five hundred seventy-three".