52040015 has 16 divisors (see below), whose sum is σ = 64162560. Its totient is φ = 40504320.

The previous prime is 52039987. The next prime is 52040017. The reversal of 52040015 is 51004025.

It is not a de Polignac number, because 52040015 - 2⁸ = 52039759 is a prime.

It is a super-2 number, since 2×52040015² = 5416326322400450, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52039975 and 52040002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52040017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28706 + ... + 30464.

It is an arithmetic number, because the mean of its divisors is an integer number (4010160).

Almost surely, 2^52040015 is an apocalyptic number.

52040015 is a deficient number, since it is larger than the sum of its proper divisors (12122545).

52040015 is a wasteful number, since it uses less digits than its factorization.

52040015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922.

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 52040015 is about 7213.8765584116. The cubic root of 52040015 is about 373.3468324378.

The spelling of 52040015 in words is "fifty-two million, forty thousand, fifteen".