54459431 has 4 divisors (see below), whose sum is σ = 58648632. Its totient is φ = 50270232.

The previous prime is 54459421. The next prime is 54459463. The reversal of 54459431 is 13495445.

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 54459431 - 2¹⁰ = 54458407 is a prime.

It is a super-2 number, since 2×54459431² = 5931659249687522, 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 = 54459391 and 54459400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54459401) 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, 2094581 + ... + 2094606.

It is an arithmetic number, because the mean of its divisors is an integer number (14662158).

Almost surely, 2^54459431 is an apocalyptic number.

54459431 is a deficient number, since it is larger than the sum of its proper divisors (4189201).

54459431 is a wasteful number, since it uses less digits than its factorization.

54459431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189200.

The product of its digits is 43200, while the sum is 35.

The square root of 54459431 is about 7379.6633392046. The cubic root of 54459431 is about 379.0452277417.

The spelling of 54459431 in words is "fifty-four million, four hundred fifty-nine thousand, four hundred thirty-one".