54642717 has 24 divisors (see below), whose sum is σ = 81469440. Its totient is φ = 35272800.

The previous prime is 54642713. The next prime is 54642737. The reversal of 54642717 is 71724645.

54642717 is a `hidden beast` number, since 5 + 4 + 642 + 7 + 1 + 7 = 666.

It is not a de Polignac number, because 54642717 - 2² = 54642713 is a prime.

It is a super-2 number, since 2×54642717² = 5971653042284178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54642713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 42084 + ... + 43362.

It is an arithmetic number, because the mean of its divisors is an integer number (3394560).

Almost surely, 2^54642717 is an apocalyptic number.

It is an amenable number.

54642717 is a deficient number, since it is larger than the sum of its proper divisors (26826723).

54642717 is a wasteful number, since it uses less digits than its factorization.

54642717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1433 (or 1430 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 54642717 is about 7392.0712253062. The cubic root of 54642717 is about 379.4699836175.

The spelling of 54642717 in words is "fifty-four million, six hundred forty-two thousand, seven hundred seventeen".