54515131 has 8 divisors (see below), whose sum is σ = 59940864. Its totient is φ = 49167720.

The previous prime is 54515101. The next prime is 54515189. The reversal of 54515131 is 13151545.

It is a happy number.

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 54515131 - 2⁷ = 54515003 is a prime.

It is a super-2 number, since 2×54515131² = 5943799015894322, 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 = 54515096 and 54515105.

It is not an unprimeable number, because it can be changed into a prime (54515101) 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 7 ways as a sum of consecutive naturals, for example, 18115 + ... + 20908.

It is an arithmetic number, because the mean of its divisors is an integer number (7492608).

Almost surely, 2^54515131 is an apocalyptic number.

54515131 is a deficient number, since it is larger than the sum of its proper divisors (5425733).

54515131 is a wasteful number, since it uses less digits than its factorization.

54515131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39161.

The product of its digits is 1500, while the sum is 25.

The square root of 54515131 is about 7383.4362596287. The cubic root of 54515131 is about 379.1744102968.

Adding to 54515131 its reverse (13151545), we get a palindrome (67666676).

The spelling of 54515131 in words is "fifty-four million, five hundred fifteen thousand, one hundred thirty-one".