52570779 has 4 divisors (see below), whose sum is σ = 70094376. Its totient is φ = 35047184.

The previous prime is 52570759. The next prime is 52570781. The reversal of 52570779 is 97707525.

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 52570779 - 2⁸ = 52570523 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52570779.

It is not an unprimeable number, because it can be changed into a prime (52570759) 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, 8761794 + ... + 8761799.

It is an arithmetic number, because the mean of its divisors is an integer number (17523594).

Almost surely, 2^52570779 is an apocalyptic number.

52570779 is a deficient number, since it is larger than the sum of its proper divisors (17523597).

52570779 is a wasteful number, since it uses less digits than its factorization.

52570779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17523596.

The product of its (nonzero) digits is 154350, while the sum is 42.

The square root of 52570779 is about 7250.5709430361. The cubic root of 52570779 is about 374.6118151944.

The spelling of 52570779 in words is "fifty-two million, five hundred seventy thousand, seven hundred seventy-nine".