52452215 has 4 divisors (see below), whose sum is σ = 62942664. Its totient is φ = 41961768.

The previous prime is 52452187. The next prime is 52452241. The reversal of 52452215 is 51225425.

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 52452215 - 2¹⁶ = 52386679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5245217 + ... + 5245226.

It is an arithmetic number, because the mean of its divisors is an integer number (15735666).

Almost surely, 2^52452215 is an apocalyptic number.

52452215 is a deficient number, since it is larger than the sum of its proper divisors (10490449).

52452215 is a wasteful number, since it uses less digits than its factorization.

52452215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10490448.

The product of its digits is 4000, while the sum is 26.

The square root of 52452215 is about 7242.3901441444. The cubic root of 52452215 is about 374.3299798707.

The spelling of 52452215 in words is "fifty-two million, four hundred fifty-two thousand, two hundred fifteen".