52528415 has 8 divisors (see below), whose sum is σ = 65067648. Its totient is φ = 40667040.

The previous prime is 52528397. The next prime is 52528429. The reversal of 52528415 is 51482525.

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

It is a de Polignac number, because none of the positive numbers 2^k-52528415 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 7 ways as a sum of consecutive naturals, for example, 169292 + ... + 169601.

It is an arithmetic number, because the mean of its divisors is an integer number (8133456).

Almost surely, 2^52528415 is an apocalyptic number.

52528415 is a deficient number, since it is larger than the sum of its proper divisors (12539233).

52528415 is a wasteful number, since it uses less digits than its factorization.

52528415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338929.

The product of its digits is 16000, while the sum is 32.

The square root of 52528415 is about 7247.6489291356. The cubic root of 52528415 is about 374.5111615607.

The spelling of 52528415 in words is "fifty-two million, five hundred twenty-eight thousand, four hundred fifteen".