54157031 has 4 divisors (see below), whose sum is σ = 55904064. Its totient is φ = 52410000.

The previous prime is 54157013. The next prime is 54157063. The reversal of 54157031 is 13075145.

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 54157031 - 2⁶ = 54156967 is a prime.

It is a super-2 number, since 2×54157031² = 5865968013469922, 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 (54153031) 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, 873470 + ... + 873531.

It is an arithmetic number, because the mean of its divisors is an integer number (13976016).

Almost surely, 2^54157031 is an apocalyptic number.

54157031 is a deficient number, since it is larger than the sum of its proper divisors (1747033).

54157031 is a wasteful number, since it uses less digits than its factorization.

54157031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1747032.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 54157031 is about 7359.1460781805. The cubic root of 54157031 is about 378.3423431045.

The spelling of 54157031 in words is "fifty-four million, one hundred fifty-seven thousand, thirty-one".