52550506 has 4 divisors (see below), whose sum is σ = 78825762. Its totient is φ = 26275252.

The previous prime is 52550503. The next prime is 52550513. The reversal of 52550506 is 60505525.

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

It can be written as a sum of positive squares in only one way, i.e., 44342281 + 8208225 = 6659^2 + 2865^2 .

It is not an unprimeable number, because it can be changed into a prime (52550503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13137625 + ... + 13137628.

Almost surely, 2^52550506 is an apocalyptic number.

52550506 is a deficient number, since it is larger than the sum of its proper divisors (26275256).

52550506 is a wasteful number, since it uses less digits than its factorization.

52550506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26275255.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 52550506 is about 7249.1727803936. The cubic root of 52550506 is about 374.5636548417.

The spelling of 52550506 in words is "fifty-two million, five hundred fifty thousand, five hundred six".