54565065 has 48 divisors (see below), whose sum is σ = 97935552. Its totient is φ = 28086912.

The previous prime is 54565061. The next prime is 54565067. The reversal of 54565065 is 56056545.

It is a happy number.

54565065 is a `hidden beast` number, since 545 + 6 + 50 + 65 = 666.

It is not a de Polignac number, because 54565065 - 2² = 54565061 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (54565061) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 315319 + ... + 315491.

It is an arithmetic number, because the mean of its divisors is an integer number (2040324).

Almost surely, 2^54565065 is an apocalyptic number.

It is an amenable number.

54565065 is a deficient number, since it is larger than the sum of its proper divisors (43370487).

54565065 is a wasteful number, since it uses less digits than its factorization.

54565065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 387 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 54565065 is about 7386.8169735008. The cubic root of 54565065 is about 379.2901452419.

The spelling of 54565065 in words is "fifty-four million, five hundred sixty-five thousand, sixty-five".