52501515 has 16 divisors (see below), whose sum is σ = 91639296. Its totient is φ = 25455200.

The previous prime is 52501487. The next prime is 52501529. The reversal of 52501515 is 51510525.

It is not a de Polignac number, because 52501515 - 2⁶ = 52501451 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 158931 + ... + 159260.

It is an arithmetic number, because the mean of its divisors is an integer number (5727456).

Almost surely, 2^52501515 is an apocalyptic number.

52501515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

52501515 is a deficient number, since it is larger than the sum of its proper divisors (39137781).

52501515 is a wasteful number, since it uses less digits than its factorization.

52501515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318210.

The product of its (nonzero) digits is 1250, while the sum is 24.

The square root of 52501515 is about 7245.7929172728. The cubic root of 52501515 is about 374.4472211173.

The spelling of 52501515 in words is "fifty-two million, five hundred one thousand, five hundred fifteen".