52215759 has 20 divisors (see below), whose sum is σ = 79479576. Its totient is φ = 34150896.

The previous prime is 52215739. The next prime is 52215763. The reversal of 52215759 is 95751225.

It is not a de Polignac number, because 52215759 - 2⁸ = 52215503 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52215739) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1789 + ... + 10374.

Almost surely, 2^52215759 is an apocalyptic number.

52215759 is a deficient number, since it is larger than the sum of its proper divisors (27263817).

52215759 is a wasteful number, since it uses less digits than its factorization.

52215759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12228 (or 12219 counting only the distinct ones).

The product of its digits is 31500, while the sum is 36.

The square root of 52215759 is about 7226.0472597403. The cubic root of 52215759 is about 373.7666359489.

The spelling of 52215759 in words is "fifty-two million, two hundred fifteen thousand, seven hundred fifty-nine".