52500644 has 24 divisors (see below), whose sum is σ = 105208320. Its totient is φ = 22455936.

The previous prime is 52500611. The next prime is 52500647. The reversal of 52500644 is 44600525.

It is not an unprimeable number, because it can be changed into a prime (52500647) 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, 15452 + ... + 18540.

It is an arithmetic number, because the mean of its divisors is an integer number (4383680).

Almost surely, 2^52500644 is an apocalyptic number.

It is an amenable number.

52500644 is an abundant number, since it is smaller than the sum of its proper divisors (52707676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52500644 is a wasteful number, since it uses less digits than its factorization.

52500644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707 (or 3705 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 52500644 is about 7245.7328131805. The cubic root of 52500644 is about 374.4451504130.

The spelling of 52500644 in words is "fifty-two million, five hundred thousand, six hundred forty-four".