52422515 has 4 divisors (see below), whose sum is σ = 62907024. Its totient is φ = 41938008.

The previous prime is 52422481. The next prime is 52422523. The reversal of 52422515 is 51522425.

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 52422515 - 2¹⁶ = 52356979 is a prime.

It is a Duffinian 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, 5242247 + ... + 5242256.

It is an arithmetic number, because the mean of its divisors is an integer number (15726756).

Almost surely, 2^52422515 is an apocalyptic number.

52422515 is a deficient number, since it is larger than the sum of its proper divisors (10484509).

52422515 is a wasteful number, since it uses less digits than its factorization.

52422515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10484508.

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

The square root of 52422515 is about 7240.3394257452. The cubic root of 52422515 is about 374.2593142853.

The spelling of 52422515 in words is "fifty-two million, four hundred twenty-two thousand, five hundred fifteen".