54431465 has 8 divisors (see below), whose sum is σ = 71255808. Its totient is φ = 39586480.

The previous prime is 54431449. The next prime is 54431471. The reversal of 54431465 is 56413445.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54431465 - 2⁴ = 54431449 is a prime.

It is a Duffinian 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, 494777 + ... + 494886.

It is an arithmetic number, because the mean of its divisors is an integer number (8906976).

Almost surely, 2^54431465 is an apocalyptic number.

54431465 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54431465 is a deficient number, since it is larger than the sum of its proper divisors (16824343).

54431465 is a wasteful number, since it uses less digits than its factorization.

54431465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989679.

The product of its digits is 28800, while the sum is 32.

The square root of 54431465 is about 7377.7682940033. The cubic root of 54431465 is about 378.9803342135.

The spelling of 54431465 in words is "fifty-four million, four hundred thirty-one thousand, four hundred sixty-five".