52173215 has 8 divisors (see below), whose sum is σ = 62687520. Its totient is φ = 41685472.

The previous prime is 52173193. The next prime is 52173229. The reversal of 52173215 is 51237125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52173215 - 2²² = 47978911 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2024 + ... + 10413.

It is an arithmetic number, because the mean of its divisors is an integer number (7835940).

Almost surely, 2^52173215 is an apocalyptic number.

52173215 is a deficient number, since it is larger than the sum of its proper divisors (10514305).

52173215 is a wasteful number, since it uses less digits than its factorization.

52173215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13281.

The product of its digits is 2100, while the sum is 26.

The square root of 52173215 is about 7223.1028651127. The cubic root of 52173215 is about 373.6650966899.

The spelling of 52173215 in words is "fifty-two million, one hundred seventy-three thousand, two hundred fifteen".