52716557 has 8 divisors (see below), whose sum is σ = 53308416. Its totient is φ = 52127712.

The previous prime is 52716553. The next prime is 52716571. The reversal of 52716557 is 75561725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52716557 - 2² = 52716553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52716557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52716551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55793 + ... + 56729.

It is an arithmetic number, because the mean of its divisors is an integer number (6663552).

Almost surely, 2^52716557 is an apocalyptic number.

It is an amenable number.

52716557 is a deficient number, since it is larger than the sum of its proper divisors (591859).

52716557 is a wasteful number, since it uses less digits than its factorization.

52716557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1507.

The product of its digits is 73500, while the sum is 38.

The square root of 52716557 is about 7260.6168470730. The cubic root of 52716557 is about 374.9577599830.

The spelling of 52716557 in words is "fifty-two million, seven hundred sixteen thousand, five hundred fifty-seven".