54262731 has 4 divisors (see below), whose sum is σ = 72350312. Its totient is φ = 36175152.

The previous prime is 54262711. The next prime is 54262739. The reversal of 54262731 is 13726245.

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

It is not a de Polignac number, because 54262731 - 2⁵ = 54262699 is a prime.

It is a super-2 number, since 2×54262731² = 5888887951156722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54262739) 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, 9043786 + ... + 9043791.

It is an arithmetic number, because the mean of its divisors is an integer number (18087578).

Almost surely, 2^54262731 is an apocalyptic number.

54262731 is a deficient number, since it is larger than the sum of its proper divisors (18087581).

54262731 is a wasteful number, since it uses less digits than its factorization.

54262731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18087580.

The product of its digits is 10080, while the sum is 30.

The square root of 54262731 is about 7366.3241172243. The cubic root of 54262731 is about 378.5883240726.

Adding to 54262731 its reverse (13726245), we get a palindrome (67988976).

The spelling of 54262731 in words is "fifty-four million, two hundred sixty-two thousand, seven hundred thirty-one".