52657799 has 4 divisors (see below), whose sum is σ = 52674720. Its totient is φ = 52640880.

The previous prime is 52657783. The next prime is 52657811. The reversal of 52657799 is 99775625.

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

It is a cyclic number.

It is not a de Polignac number, because 52657799 - 2⁴ = 52657783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52657769) 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, 2294 + ... + 10515.

It is an arithmetic number, because the mean of its divisors is an integer number (13168680).

Almost surely, 2^52657799 is an apocalyptic number.

52657799 is a deficient number, since it is larger than the sum of its proper divisors (16921).

52657799 is a wasteful number, since it uses less digits than its factorization.

52657799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16920.

The product of its digits is 1190700, while the sum is 50.

The square root of 52657799 is about 7256.5693685102. The cubic root of 52657799 is about 374.8183985885.

The spelling of 52657799 in words is "fifty-two million, six hundred fifty-seven thousand, seven hundred ninety-nine".