52204215 has 32 divisors (see below), whose sum is σ = 95901696. Its totient is φ = 23754240.

The previous prime is 52204213. The next prime is 52204219. The reversal of 52204215 is 51240225.

It is a happy number.

It is not a de Polignac number, because 52204215 - 2¹ = 52204213 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 52204191 and 52204200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52204213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 24274 + ... + 26336.

It is an arithmetic number, because the mean of its divisors is an integer number (2996928).

Almost surely, 2^52204215 is an apocalyptic number.

52204215 is a deficient number, since it is larger than the sum of its proper divisors (43697481).

52204215 is a wasteful number, since it uses less digits than its factorization.

52204215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2319.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52204215 is about 7225.2484386352. The cubic root of 52204215 is about 373.7390894754.

The spelling of 52204215 in words is "fifty-two million, two hundred four thousand, two hundred fifteen".