54565533 has 24 divisors (see below), whose sum is σ = 86376576. Its totient is φ = 32918400.

The previous prime is 54565517. The next prime is 54565541. The reversal of 54565533 is 33556545.

54565533 is a `hidden beast` number, since 54 + 56 + 553 + 3 = 666.

It is not a de Polignac number, because 54565533 - 2⁴ = 54565517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54565573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22716 + ... + 25002.

It is an arithmetic number, because the mean of its divisors is an integer number (3599024).

Almost surely, 2^54565533 is an apocalyptic number.

It is an amenable number.

54565533 is a deficient number, since it is larger than the sum of its proper divisors (31811043).

54565533 is a wasteful number, since it uses less digits than its factorization.

54565533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2545 (or 2542 counting only the distinct ones).

The product of its digits is 135000, while the sum is 36.

The square root of 54565533 is about 7386.8486514887. The cubic root of 54565533 is about 379.2912296187.

It can be divided in two parts, 5456553 and 3, that added together give a triangular number (5456556 = T₃₃₀₃).

The spelling of 54565533 in words is "fifty-four million, five hundred sixty-five thousand, five hundred thirty-three".