54040450131 has 20 divisors (see below), whose sum is σ = 80733517392. Its totient is φ = 36024099408.

The previous prime is 54040450129. The next prime is 54040450151. The reversal of 54040450131 is 13105404045.

It is a happy number.

54040450131 is a `hidden beast` number, since 5 + 40 + 40 + 450 + 131 = 666.

54040450131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 54040450131 - 2¹ = 54040450129 is a prime.

It is a super-2 number, since 2×54040450131² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 54040450095 and 54040450104.

It is not an unprimeable number, because it can be changed into a prime (54040450151) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1636621 + ... + 1669313.

Almost surely, 2^54040450131 is an apocalyptic number.

54040450131 is a deficient number, since it is larger than the sum of its proper divisors (26693067261).

54040450131 is a wasteful number, since it uses less digits than its factorization.

54040450131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53112 (or 53103 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 54040450131 its reverse (13105404045), we get a palindrome (67145854176).

The spelling of 54040450131 in words is "fifty-four billion, forty million, four hundred fifty thousand, one hundred thirty-one".