52521682 has 16 divisors (see below), whose sum is σ = 81259200. Its totient is φ = 25448080.

The previous prime is 52521647. The next prime is 52521683. The reversal of 52521682 is 28612525.

It is not an unprimeable number, because it can be changed into a prime (52521683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5244 + ... + 11512.

It is an arithmetic number, because the mean of its divisors is an integer number (5078700).

Almost surely, 2^52521682 is an apocalyptic number.

52521682 is a deficient number, since it is larger than the sum of its proper divisors (28737518).

52521682 is a wasteful number, since it uses less digits than its factorization.

52521682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6401.

The product of its digits is 9600, while the sum is 31.

The square root of 52521682 is about 7247.1844187933. The cubic root of 52521682 is about 374.4951594826.

The spelling of 52521682 in words is "fifty-two million, five hundred twenty-one thousand, six hundred eighty-two".