54518953 has 4 divisors (see below), whose sum is σ = 54541648. Its totient is φ = 54496260.

The previous prime is 54518939. The next prime is 54518963. The reversal of 54518953 is 35981545.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54518953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54518903) 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, 7251 + ... + 12712.

It is an arithmetic number, because the mean of its divisors is an integer number (13635412).

Almost surely, 2^54518953 is an apocalyptic number.

It is an amenable number.

54518953 is a deficient number, since it is larger than the sum of its proper divisors (22695).

54518953 is a wasteful number, since it uses less digits than its factorization.

54518953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22694.

The product of its digits is 108000, while the sum is 40.

The square root of 54518953 is about 7383.6950776694. The cubic root of 54518953 is about 379.1832712663.

The spelling of 54518953 in words is "fifty-four million, five hundred eighteen thousand, nine hundred fifty-three".