54543131 has 8 divisors (see below), whose sum is σ = 55234224. Its totient is φ = 53855200.

The previous prime is 54543127. The next prime is 54543133. The reversal of 54543131 is 13134545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54543131 - 2² = 54543127 is a prime.

It is a super-2 number, since 2×54543131² = 5949906278566322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54543131.

It is not an unprimeable number, because it can be changed into a prime (54543133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65540 + ... + 66366.

It is an arithmetic number, because the mean of its divisors is an integer number (6904278).

Almost surely, 2^54543131 is an apocalyptic number.

54543131 is a deficient number, since it is larger than the sum of its proper divisors (691093).

54543131 is a wasteful number, since it uses less digits than its factorization.

54543131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581.

The product of its digits is 3600, while the sum is 26.

The square root of 54543131 is about 7385.3321523138. The cubic root of 54543131 is about 379.2393162299.

Adding to 54543131 its reverse (13134545), we get a palindrome (67677676).

The spelling of 54543131 in words is "fifty-four million, five hundred forty-three thousand, one hundred thirty-one".