54040031320 has 32 divisors (see below), whose sum is σ = 132643714320. Its totient is φ = 19650920320.

The previous prime is 54040031303. The next prime is 54040031351. The reversal of 54040031320 is 2313004045.

It is a super-3 number, since 3×54040031320³ (a number of 33 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 54040031291 and 54040031300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61408687 + ... + 61409566.

Almost surely, 2^54040031320 is an apocalyptic number.

It is an amenable number.

54040031320 is an abundant number, since it is smaller than the sum of its proper divisors (78603683000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54040031320 is a wasteful number, since it uses less digits than its factorization.

54040031320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122818275 (or 122818271 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 54040031320 its reverse (2313004045), we get a palindrome (56353035365).

The spelling of 54040031320 in words is "fifty-four billion, forty million, thirty-one thousand, three hundred twenty".