52215889 has 16 divisors (see below), whose sum is σ = 58918464. Its totient is φ = 45864000.

The previous prime is 52215887. The next prime is 52215899. The reversal of 52215889 is 98851225.

It is a cyclic number.

It is not a de Polignac number, because 52215889 - 2¹ = 52215887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52215883) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47227 + ... + 48319.

It is an arithmetic number, because the mean of its divisors is an integer number (3682404).

Almost surely, 2^52215889 is an apocalyptic number.

It is an amenable number.

52215889 is a deficient number, since it is larger than the sum of its proper divisors (6702575).

52215889 is a wasteful number, since it uses less digits than its factorization.

52215889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248.

The product of its digits is 57600, while the sum is 40.

The square root of 52215889 is about 7226.0562549706. The cubic root of 52215889 is about 373.7669461338.

The spelling of 52215889 in words is "fifty-two million, two hundred fifteen thousand, eight hundred eighty-nine".