54643431 has 8 divisors (see below), whose sum is σ = 73780480. Its totient is φ = 35967672.

The previous prime is 54643429. The next prime is 54643439. The reversal of 54643431 is 13434645.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54643431 - 2¹ = 54643429 is a prime.

It is a super-2 number, since 2×54643431² = 5971809102903522, 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 (54643439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115045 + ... + 115518.

It is an arithmetic number, because the mean of its divisors is an integer number (9222560).

Almost surely, 2^54643431 is an apocalyptic number.

54643431 is a deficient number, since it is larger than the sum of its proper divisors (19137049).

54643431 is a wasteful number, since it uses less digits than its factorization.

54643431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230645.

The product of its digits is 17280, while the sum is 30.

The square root of 54643431 is about 7392.1195201376. The cubic root of 54643431 is about 379.4716364171.

The spelling of 54643431 in words is "fifty-four million, six hundred forty-three thousand, four hundred thirty-one".