54426531 has 4 divisors (see below), whose sum is σ = 72568712. Its totient is φ = 36284352.

The previous prime is 54426529. The next prime is 54426587. The reversal of 54426531 is 13562445.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54426531 - 2¹ = 54426529 is a prime.

It is a super-2 number, since 2×54426531² = 5924494553387922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54426131) 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, 9071086 + ... + 9071091.

It is an arithmetic number, because the mean of its divisors is an integer number (18142178).

Almost surely, 2^54426531 is an apocalyptic number.

54426531 is a deficient number, since it is larger than the sum of its proper divisors (18142181).

54426531 is a wasteful number, since it uses less digits than its factorization.

54426531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18142180.

The product of its digits is 14400, while the sum is 30.

The square root of 54426531 is about 7377.4339034654. The cubic root of 54426531 is about 378.9688828378.

Adding to 54426531 its reverse (13562445), we get a palindrome (67988976).

The spelling of 54426531 in words is "fifty-four million, four hundred twenty-six thousand, five hundred thirty-one".