54899563 has 4 divisors (see below), whose sum is σ = 54920808. Its totient is φ = 54878320.

The previous prime is 54899557. The next prime is 54899587. The reversal of 54899563 is 36599845.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54899563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54899513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6106 + ... + 12127.

It is an arithmetic number, because the mean of its divisors is an integer number (13730202).

Almost surely, 2^54899563 is an apocalyptic number.

54899563 is a deficient number, since it is larger than the sum of its proper divisors (21245).

54899563 is a wasteful number, since it uses less digits than its factorization.

54899563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21244.

The product of its digits is 1166400, while the sum is 49.

The square root of 54899563 is about 7409.4239317237. The cubic root of 54899563 is about 380.0636158499.

The spelling of 54899563 in words is "fifty-four million, eight hundred ninety-nine thousand, five hundred sixty-three".