54313531 has 4 divisors (see below), whose sum is σ = 54330712. Its totient is φ = 54296352.

The previous prime is 54313507. The next prime is 54313537. The reversal of 54313531 is 13531345.

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 54313531 - 2⁹ = 54313019 is a prime.

It is a super-2 number, since 2×54313531² = 5899919299375922, 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 = 54313496 and 54313505.

It is not an unprimeable number, because it can be changed into a prime (54313537) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2325 + ... + 10678.

It is an arithmetic number, because the mean of its divisors is an integer number (13582678).

Almost surely, 2^54313531 is an apocalyptic number.

54313531 is a deficient number, since it is larger than the sum of its proper divisors (17181).

54313531 is a wasteful number, since it uses less digits than its factorization.

54313531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17180.

The product of its digits is 2700, while the sum is 25.

The square root of 54313531 is about 7369.7714347190. The cubic root of 54313531 is about 378.7064302323.

Adding to 54313531 its reverse (13531345), we get a palindrome (67844876).

The spelling of 54313531 in words is "fifty-four million, three hundred thirteen thousand, five hundred thirty-one".