52618815 has 40 divisors (see below), whose sum is σ = 94995648. Its totient is φ = 27864000.

The previous prime is 52618801. The next prime is 52618817. The reversal of 52618815 is 51881625.

It is not a de Polignac number, because 52618815 - 2⁶ = 52618751 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52618815.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52618817) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 69690 + ... + 70440.

Almost surely, 2^52618815 is an apocalyptic number.

52618815 is a deficient number, since it is larger than the sum of its proper divisors (42376833).

52618815 is a wasteful number, since it uses less digits than its factorization.

52618815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941 (or 932 counting only the distinct ones).

The product of its digits is 19200, while the sum is 36.

The square root of 52618815 is about 7253.8827533949. The cubic root of 52618815 is about 374.7258796703.

The spelling of 52618815 in words is "fifty-two million, six hundred eighteen thousand, eight hundred fifteen".