54973431 has 16 divisors (see below), whose sum is σ = 82360800. Its totient is φ = 36235584.

The previous prime is 54973421. The next prime is 54973439. The reversal of 54973431 is 13437945.

54973431 is a `hidden beast` number, since 549 + 73 + 43 + 1 = 666.

It is not a de Polignac number, because 54973431 - 2¹¹ = 54971383 is a prime.

It is a super-2 number, since 2×54973431² = 6044156231823522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54973439) 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 15 ways as a sum of consecutive naturals, for example, 9036 + ... + 13841.

It is an arithmetic number, because the mean of its divisors is an integer number (5147550).

Almost surely, 2^54973431 is an apocalyptic number.

54973431 is a deficient number, since it is larger than the sum of its proper divisors (27387369).

54973431 is a wasteful number, since it uses less digits than its factorization.

54973431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22975 (or 22969 counting only the distinct ones).

The product of its digits is 45360, while the sum is 36.

The square root of 54973431 is about 7414.4069890990. The cubic root of 54973431 is about 380.2339994590.

The spelling of 54973431 in words is "fifty-four million, nine hundred seventy-three thousand, four hundred thirty-one".