54312331 has 16 divisors (see below), whose sum is σ = 60963840. Its totient is φ = 48133120.

The previous prime is 54312329. The next prime is 54312343. The reversal of 54312331 is 13321345.

It is not a de Polignac number, because 54312331 - 2¹ = 54312329 is a prime.

It is a super-2 number, since 2×54312331² = 5899658597307122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54312301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18870 + ... + 21556.

It is an arithmetic number, because the mean of its divisors is an integer number (3810240).

Almost surely, 2^54312331 is an apocalyptic number.

54312331 is a deficient number, since it is larger than the sum of its proper divisors (6651509).

54312331 is a wasteful number, since it uses less digits than its factorization.

54312331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2774.

The product of its digits is 1080, while the sum is 22.

The square root of 54312331 is about 7369.6900206182. The cubic root of 54312331 is about 378.7036411725.

Adding to 54312331 its reverse (13321345), we get a palindrome (67633676).

The spelling of 54312331 in words is "fifty-four million, three hundred twelve thousand, three hundred thirty-one".