54553717 has 4 divisors (see below), whose sum is σ = 54569740. Its totient is φ = 54537696.

The previous prime is 54553711. The next prime is 54553721. The reversal of 54553717 is 71735545.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26770276 + 27783441 = 5174^2 + 5271^2 .

It is a cyclic number.

It is not a de Polignac number, because 54553717 - 2¹⁹ = 54029429 is a prime.

It is a super-2 number, since 2×54553717² = 5952216077032178, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54553711) 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, 648 + ... + 10465.

It is an arithmetic number, because the mean of its divisors is an integer number (13642435).

Almost surely, 2^54553717 is an apocalyptic number.

It is an amenable number.

54553717 is a deficient number, since it is larger than the sum of its proper divisors (16023).

54553717 is a wasteful number, since it uses less digits than its factorization.

54553717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16022.

The product of its digits is 73500, while the sum is 37.

The square root of 54553717 is about 7386.0488083955. The cubic root of 54553717 is about 379.2638495221.

The spelling of 54553717 in words is "fifty-four million, five hundred fifty-three thousand, seven hundred seventeen".