54040431 has 8 divisors (see below), whose sum is σ = 72091440. Its totient is φ = 36008192.

The previous prime is 54040429. The next prime is 54040447. The reversal of 54040431 is 13404045.

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 54040431 - 2¹ = 54040429 is a prime.

It is a super-3 number, since 3×54040431³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 54040398 and 54040407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54040411) 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, 4735 + ... + 11423.

It is an arithmetic number, because the mean of its divisors is an integer number (9011430).

Almost surely, 2^54040431 is an apocalyptic number.

54040431 is a deficient number, since it is larger than the sum of its proper divisors (18051009).

54040431 is a wasteful number, since it uses less digits than its factorization.

54040431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9385.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54040431 is about 7351.2196947173. The cubic root of 54040431 is about 378.0706245240.

Adding to 54040431 its reverse (13404045), we get a palindrome (67444476).

The spelling of 54040431 in words is "fifty-four million, forty thousand, four hundred thirty-one".