52012518 has 16 divisors (see below), whose sum is σ = 106562736. Its totient is φ = 16914560.

The previous prime is 52012501. The next prime is 52012523. The reversal of 52012518 is 81521025.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon 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, 105471 + ... + 105962.

It is an arithmetic number, because the mean of its divisors is an integer number (6660171).

Almost surely, 2^52012518 is an apocalyptic number.

52012518 is an abundant number, since it is smaller than the sum of its proper divisors (54550218).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52012518 is a wasteful number, since it uses less digits than its factorization.

52012518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211479.

The product of its (nonzero) digits is 800, while the sum is 24.

The square root of 52012518 is about 7211.9704658297. The cubic root of 52012518 is about 373.2810642881.

The spelling of 52012518 in words is "fifty-two million, twelve thousand, five hundred eighteen".