54015203631 has 16 divisors (see below), whose sum is σ = 74246806368. Its totient is φ = 34908057600.

The previous prime is 54015203629. The next prime is 54015203633. The reversal of 54015203631 is 13630251045.

It is an interprime number because it is at equal distance from previous prime (54015203629) and next prime (54015203633).

It is not a de Polignac number, because 54015203631 - 2¹ = 54015203629 is a prime.

It is a super-2 number, since 2×54015203631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54015203633) 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 15 ways as a sum of consecutive naturals, for example, 1379250 + ... + 1417871.

It is an arithmetic number, because the mean of its divisors is an integer number (4640425398).

Almost surely, 2^54015203631 is an apocalyptic number.

54015203631 is a deficient number, since it is larger than the sum of its proper divisors (20231602737).

54015203631 is a wasteful number, since it uses less digits than its factorization.

54015203631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2797322.

The product of its (nonzero) digits is 10800, while the sum is 30.

Adding to 54015203631 its reverse (13630251045), we get a palindrome (67645454676).

The spelling of 54015203631 in words is "fifty-four billion, fifteen million, two hundred three thousand, six hundred thirty-one".