53535515 has 8 divisors (see below), whose sum is σ = 70082928. Its totient is φ = 38934880.

The previous prime is 53535509. The next prime is 53535523. The reversal of 53535515 is 51553535.

53535515 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 53535515 - 2⁶ = 53535451 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 486632 + ... + 486741.

It is an arithmetic number, because the mean of its divisors is an integer number (8760366).

Almost surely, 2^53535515 is an apocalyptic number.

53535515 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

53535515 is a deficient number, since it is larger than the sum of its proper divisors (16547413).

53535515 is a wasteful number, since it uses less digits than its factorization.

53535515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 973389.

The product of its digits is 28125, while the sum is 32.

The square root of 53535515 is about 7316.7967718121. The cubic root of 53535515 is about 376.8894623479.

The spelling of 53535515 in words is "fifty-three million, five hundred thirty-five thousand, five hundred fifteen".