53260515 has 96 divisors (see below), whose sum is σ = 121305600. Its totient is φ = 20943360.

The previous prime is 53260481. The next prime is 53260567. The reversal of 53260515 is 51506235.

53260515 is a `hidden beast` number, since 53 + 2 + 605 + 1 + 5 = 666.

53260515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 53260515 - 2¹⁶ = 53194979 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 65431 + ... + 66239.

It is an arithmetic number, because the mean of its divisors is an integer number (1263600).

Almost surely, 2^53260515 is an apocalyptic number.

53260515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53260515 is an abundant number, since it is smaller than the sum of its proper divisors (68045085).

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

53260515 is a wasteful number, since it uses less digits than its factorization.

53260515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 857 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 53260515 is about 7297.9802000280. The cubic root of 53260515 is about 376.2430218387.

The spelling of 53260515 in words is "fifty-three million, two hundred sixty thousand, five hundred fifteen".