53515315 has 8 divisors (see below), whose sum is σ = 73392480. Its totient is φ = 36696192.

The previous prime is 53515313. The next prime is 53515339. The reversal of 53515315 is 51351535.

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

It is a cyclic number.

It is not a de Polignac number, because 53515315 - 2¹ = 53515313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53515313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764470 + ... + 764539.

It is an arithmetic number, because the mean of its divisors is an integer number (9174060).

Almost surely, 2^53515315 is an apocalyptic number.

53515315 is a deficient number, since it is larger than the sum of its proper divisors (19877165).

53515315 is a wasteful number, since it uses less digits than its factorization.

53515315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1529021.

The product of its digits is 5625, while the sum is 28.

The square root of 53515315 is about 7315.4162560992. The cubic root of 53515315 is about 376.8420537889.

The spelling of 53515315 in words is "fifty-three million, five hundred fifteen thousand, three hundred fifteen".