53632505 has 4 divisors (see below), whose sum is σ = 64359012. Its totient is φ = 42906000.

The previous prime is 53632493. The next prime is 53632507. The reversal of 53632505 is 50523635.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15649936 + 37982569 = 3956^2 + 6163^2 .

It is a de Polignac number, because none of the positive numbers 2^k-53632505 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53632507) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363246 + ... + 5363255.

It is an arithmetic number, because the mean of its divisors is an integer number (16089753).

Almost surely, 2^53632505 is an apocalyptic number.

It is an amenable number.

53632505 is a deficient number, since it is larger than the sum of its proper divisors (10726507).

53632505 is a wasteful number, since it uses less digits than its factorization.

53632505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726506.

The product of its (nonzero) digits is 13500, while the sum is 29.

The square root of 53632505 is about 7323.4216729613. The cubic root of 53632505 is about 377.1169278970.

The spelling of 53632505 in words is "fifty-three million, six hundred thirty-two thousand, five hundred five".