54097831 has 4 divisors (see below), whose sum is σ = 54220392. Its totient is φ = 53975272.

The previous prime is 54097829. The next prime is 54097837. The reversal of 54097831 is 13879045.

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 54097831 - 2¹ = 54097829 is a prime.

It is a super-2 number, since 2×54097831² = 5853150637809122, which 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 (54097837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60616 + ... + 61501.

It is an arithmetic number, because the mean of its divisors is an integer number (13555098).

Almost surely, 2^54097831 is an apocalyptic number.

54097831 is a deficient number, since it is larger than the sum of its proper divisors (122561).

54097831 is a wasteful number, since it uses less digits than its factorization.

54097831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122560.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 54097831 is about 7355.1227725987. The cubic root of 54097831 is about 378.2044352932.

The spelling of 54097831 in words is "fifty-four million, ninety-seven thousand, eight hundred thirty-one".