54440431 has 8 divisors (see below), whose sum is σ = 56025680. Its totient is φ = 52861248.

The previous prime is 54440389. The next prime is 54440459. The reversal of 54440431 is 13404445.

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 54440431 - 2¹¹ = 54438383 is a prime.

It is a super-2 number, since 2×54440431² = 5927521054931522, 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 = 54440396 and 54440405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54440461) 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, 21715 + ... + 24091.

It is an arithmetic number, because the mean of its divisors is an integer number (7003210).

Almost surely, 2^54440431 is an apocalyptic number.

54440431 is a deficient number, since it is larger than the sum of its proper divisors (1585249).

54440431 is a wasteful number, since it uses less digits than its factorization.

54440431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3033.

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 54440431 is about 7378.3759053060. The cubic root of 54440431 is about 379.0011417319.

Adding to 54440431 its reverse (13404445), we get a palindrome (67844876).

The spelling of 54440431 in words is "fifty-four million, four hundred forty thousand, four hundred thirty-one".