52216455 has 16 divisors (see below), whose sum is σ = 83743200. Its totient is φ = 27783168.

The previous prime is 52216441. The next prime is 52216457. The reversal of 52216455 is 55461225.

It is not a de Polignac number, because 52216455 - 2¹² = 52212359 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52216457) 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, 2859 + ... + 10611.

It is an arithmetic number, because the mean of its divisors is an integer number (5233950).

Almost surely, 2^52216455 is an apocalyptic number.

52216455 is a deficient number, since it is larger than the sum of its proper divisors (31526745).

52216455 is a wasteful number, since it uses less digits than its factorization.

52216455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8210.

The product of its digits is 12000, while the sum is 30.

The square root of 52216455 is about 7226.0954186891. The cubic root of 52216455 is about 373.7682966252.

The spelling of 52216455 in words is "fifty-two million, two hundred sixteen thousand, four hundred fifty-five".