54431765 has 16 divisors (see below), whose sum is σ = 67108800. Its totient is φ = 42360192.

The previous prime is 54431759. The next prime is 54431771. The reversal of 54431765 is 56713445.

It is an interprime number because it is at equal distance from previous prime (54431759) and next prime (54431771).

It is a cyclic number.

It is not a de Polignac number, because 54431765 - 2⁴ = 54431749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87626 + ... + 88244.

It is an arithmetic number, because the mean of its divisors is an integer number (4194300).

Almost surely, 2^54431765 is an apocalyptic number.

It is an amenable number.

54431765 is a deficient number, since it is larger than the sum of its proper divisors (12677035).

54431765 is a wasteful number, since it uses less digits than its factorization.

54431765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076.

The product of its digits is 50400, while the sum is 35.

The square root of 54431765 is about 7377.7886253267. The cubic root of 54431765 is about 378.9810304645.

The spelling of 54431765 in words is "fifty-four million, four hundred thirty-one thousand, seven hundred sixty-five".