54384431 has 4 divisors (see below), whose sum is σ = 54402552. Its totient is φ = 54366312.

The previous prime is 54384427. The next prime is 54384437. The reversal of 54384431 is 13448345.

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 54384431 - 2² = 54384427 is a prime.

It is a super-2 number, since 2×54384431² = 5915332670387522, 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 (54384437) 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, 3365 + ... + 10958.

It is an arithmetic number, because the mean of its divisors is an integer number (13600638).

Almost surely, 2^54384431 is an apocalyptic number.

54384431 is a deficient number, since it is larger than the sum of its proper divisors (18121).

54384431 is a wasteful number, since it uses less digits than its factorization.

54384431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18120.

The product of its digits is 23040, while the sum is 32.

The square root of 54384431 is about 7374.5800558405. The cubic root of 54384431 is about 378.8711443196.

The spelling of 54384431 in words is "fifty-four million, three hundred eighty-four thousand, four hundred thirty-one".