54057565 has 16 divisors (see below), whose sum is σ = 68486400. Its totient is φ = 40848192.

The previous prime is 54057551. The next prime is 54057589. The reversal of 54057565 is 56575045.

It is a cyclic number.

It is not a de Polignac number, because 54057565 - 2⁵ = 54057533 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, 43371 + ... + 44599.

It is an arithmetic number, because the mean of its divisors is an integer number (4280400).

Almost surely, 2^54057565 is an apocalyptic number.

It is an amenable number.

54057565 is a deficient number, since it is larger than the sum of its proper divisors (14428835).

54057565 is a wasteful number, since it uses less digits than its factorization.

54057565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1716.

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 54057565 is about 7352.3849871997. The cubic root of 54057565 is about 378.1105771882.

The spelling of 54057565 in words is "fifty-four million, fifty-seven thousand, five hundred sixty-five".