54566513 has 8 divisors (see below), whose sum is σ = 55579776. Its totient is φ = 53557200.

The previous prime is 54566509. The next prime is 54566581. The reversal of 54566513 is 31566545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 54566513 - 2² = 54566509 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54566713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48920 + ... + 50022.

It is an arithmetic number, because the mean of its divisors is an integer number (6947472).

Almost surely, 2^54566513 is an apocalyptic number.

It is an amenable number.

54566513 is a deficient number, since it is larger than the sum of its proper divisors (1013263).

54566513 is a wasteful number, since it uses less digits than its factorization.

54566513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1975.

The product of its digits is 54000, while the sum is 35.

The square root of 54566513 is about 7386.9149852966. The cubic root of 54566513 is about 379.2935003023.

The spelling of 54566513 in words is "fifty-four million, five hundred sixty-six thousand, five hundred thirteen".