54431451 has 12 divisors (see below), whose sum is σ = 78720720. Its totient is φ = 36242640.

The previous prime is 54431449. The next prime is 54431471. The reversal of 54431451 is 15413445.

It is a happy number.

It is not a de Polignac number, because 54431451 - 2¹ = 54431449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54431411) 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 11 ways as a sum of consecutive naturals, for example, 4981 + ... + 11561.

It is an arithmetic number, because the mean of its divisors is an integer number (6560060).

Almost surely, 2^54431451 is an apocalyptic number.

54431451 is a deficient number, since it is larger than the sum of its proper divisors (24289269).

54431451 is a wasteful number, since it uses less digits than its factorization.

54431451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7506 (or 7503 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 54431451 is about 7377.7673452068. The cubic root of 54431451 is about 378.9803017217.

Adding to 54431451 its reverse (15413445), we get a palindrome (69844896).

The spelling of 54431451 in words is "fifty-four million, four hundred thirty-one thousand, four hundred fifty-one".