53152505 has 24 divisors (see below), whose sum is σ = 76765320. Its totient is φ = 35185920.

The previous prime is 53152499. The next prime is 53152529. The reversal of 53152505 is 50525135.

It can be written as a sum of positive squares in 4 ways, for example, as 14077504 + 39075001 = 3752^2 + 6251^2 .

It is not a de Polignac number, because 53152505 - 2¹⁰ = 53151481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3365 + ... + 10845.

It is an arithmetic number, because the mean of its divisors is an integer number (3198555).

Almost surely, 2^53152505 is an apocalyptic number.

It is an amenable number.

53152505 is a deficient number, since it is larger than the sum of its proper divisors (23612815).

53152505 is a wasteful number, since it uses less digits than its factorization.

53152505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7529 (or 7522 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 53152505 is about 7290.5764518315. The cubic root of 53152505 is about 375.9885149087.

The spelling of 53152505 in words is "fifty-three million, one hundred fifty-two thousand, five hundred five".