53245515 has 8 divisors (see below), whose sum is σ = 85192848. Its totient is φ = 28397600.

The previous prime is 53245471. The next prime is 53245559. The reversal of 53245515 is 51554235.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53245471) and next prime (53245559).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-53245515 is a prime.

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, 1774836 + ... + 1774865.

It is an arithmetic number, because the mean of its divisors is an integer number (10649106).

Almost surely, 2^53245515 is an apocalyptic number.

53245515 is a deficient number, since it is larger than the sum of its proper divisors (31947333).

53245515 is a wasteful number, since it uses less digits than its factorization.

53245515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3549709.

The product of its digits is 15000, while the sum is 30.

The square root of 53245515 is about 7296.9524460558. The cubic root of 53245515 is about 376.2076975137.

The spelling of 53245515 in words is "fifty-three million, two hundred forty-five thousand, five hundred fifteen".