54507431 has 4 divisors (see below), whose sum is σ = 59462664. Its totient is φ = 49552200.

The previous prime is 54507413. The next prime is 54507433. The reversal of 54507431 is 13470545.

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 54507431 - 2⁶ = 54507367 is a prime.

It is a super-2 number, since 2×54507431² = 5942120068439522, 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 = 54507394 and 54507403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54507433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2477600 + ... + 2477621.

It is an arithmetic number, because the mean of its divisors is an integer number (14865666).

Almost surely, 2^54507431 is an apocalyptic number.

54507431 is a deficient number, since it is larger than the sum of its proper divisors (4955233).

54507431 is a wasteful number, since it uses less digits than its factorization.

54507431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4955232.

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 54507431 is about 7382.9148037885. The cubic root of 54507431 is about 379.1565572691.

Adding to 54507431 its reverse (13470545), we get a palindrome (67977976).

The spelling of 54507431 in words is "fifty-four million, five hundred seven thousand, four hundred thirty-one".