53922717 has 6 divisors (see below), whose sum is σ = 77888382. Its totient is φ = 35948472.

The previous prime is 53922707. The next prime is 53922721. The reversal of 53922717 is 71722935.

It can be written as a sum of positive squares in only one way, i.e., 36832761 + 17089956 = 6069^2 + 4134^2 .

It is not a de Polignac number, because 53922717 - 2⁸ = 53922461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53922707) 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, 2995698 + ... + 2995715.

It is an arithmetic number, because the mean of its divisors is an integer number (12981397).

Almost surely, 2^53922717 is an apocalyptic number.

It is an amenable number.

53922717 is a deficient number, since it is larger than the sum of its proper divisors (23965665).

53922717 is a wasteful number, since it uses less digits than its factorization.

53922717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991419 (or 5991416 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 53922717 is about 7343.2089034699. The cubic root of 53922717 is about 377.7959131785.

The spelling of 53922717 in words is "fifty-three million, nine hundred twenty-two thousand, seven hundred seventeen".