54471765 has 32 divisors (see below), whose sum is σ = 92505600. Its totient is φ = 27293760.

The previous prime is 54471749. The next prime is 54471779. The reversal of 54471765 is 56717445.

It is not a de Polignac number, because 54471765 - 2⁴ = 54471749 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36606 + ... + 38064.

It is an arithmetic number, because the mean of its divisors is an integer number (2890800).

Almost surely, 2^54471765 is an apocalyptic number.

It is an amenable number.

54471765 is a deficient number, since it is larger than the sum of its proper divisors (38033835).

54471765 is a wasteful number, since it uses less digits than its factorization.

54471765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1617.

The product of its digits is 117600, while the sum is 39.

The square root of 54471765 is about 7380.4989668721. The cubic root of 54471765 is about 379.0738410345.

The spelling of 54471765 in words is "fifty-four million, four hundred seventy-one thousand, seven hundred sixty-five".