54486431 has 4 divisors (see below), whose sum is σ = 54511392. Its totient is φ = 54461472.

The previous prime is 54486427. The next prime is 54486449. The reversal of 54486431 is 13468445.

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 54486431 - 2² = 54486427 is a prime.

It is a super-2 number, since 2×54486431² = 5937542326235522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54486391 and 54486400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54486401) 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, 8855 + ... + 13688.

It is an arithmetic number, because the mean of its divisors is an integer number (13627848).

Almost surely, 2^54486431 is an apocalyptic number.

54486431 is a deficient number, since it is larger than the sum of its proper divisors (24961).

54486431 is a wasteful number, since it uses less digits than its factorization.

54486431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24960.

The product of its digits is 46080, while the sum is 35.

The square root of 54486431 is about 7381.4924642649. The cubic root of 54486431 is about 379.1078586464.

The spelling of 54486431 in words is "fifty-four million, four hundred eighty-six thousand, four hundred thirty-one".