54505917 has 6 divisors (see below), whose sum is σ = 78730782. Its totient is φ = 36337272.

The previous prime is 54505909. The next prime is 54505937. The reversal of 54505917 is 71950545.

It can be written as a sum of positive squares in only one way, i.e., 51753636 + 2752281 = 7194^2 + 1659^2 .

It is not a de Polignac number, because 54505917 - 2³ = 54505909 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54505937) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3028098 + ... + 3028115.

It is an arithmetic number, because the mean of its divisors is an integer number (13121797).

Almost surely, 2^54505917 is an apocalyptic number.

It is an amenable number.

54505917 is a deficient number, since it is larger than the sum of its proper divisors (24224865).

54505917 is a wasteful number, since it uses less digits than its factorization.

54505917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6056219 (or 6056216 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 54505917 is about 7382.8122690476. The cubic root of 54505917 is about 379.1530467488.

The spelling of 54505917 in words is "fifty-four million, five hundred five thousand, nine hundred seventeen".