52645818 has 32 divisors (see below), whose sum is σ = 108011520. Its totient is φ = 17100720.

The previous prime is 52645807. The next prime is 52645847. The reversal of 52645818 is 81854625.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44373 + ... + 45543.

It is an arithmetic number, because the mean of its divisors is an integer number (3375360).

Almost surely, 2^52645818 is an apocalyptic number.

52645818 is an abundant number, since it is smaller than the sum of its proper divisors (55365702).

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

52645818 is a wasteful number, since it uses less digits than its factorization.

52645818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362.

The product of its digits is 76800, while the sum is 39.

The square root of 52645818 is about 7255.7437937127. The cubic root of 52645818 is about 374.7899694989.

The spelling of 52645818 in words is "fifty-two million, six hundred forty-five thousand, eight hundred eighteen".