53130015 has 48 divisors (see below), whose sum is σ = 98280000. Its totient is φ = 26459136.

The previous prime is 53129971. The next prime is 53130019. The reversal of 53130015 is 51003135.

It is a happy number.

It is not a de Polignac number, because 53130015 - 2⁸ = 53129759 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53130015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53130019) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 152061 + ... + 152409.

It is an arithmetic number, because the mean of its divisors is an integer number (2047500).

Almost surely, 2^53130015 is an apocalyptic number.

53130015 is a deficient number, since it is larger than the sum of its proper divisors (45149985).

53130015 is a wasteful number, since it uses less digits than its factorization.

53130015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 53130015 is about 7289.0338865998. The cubic root of 53130015 is about 375.9354777432.

The spelling of 53130015 in words is "fifty-three million, one hundred thirty thousand, fifteen".