52642790 has 8 divisors (see below), whose sum is σ = 94757040. Its totient is φ = 21057112.

The previous prime is 52642781. The next prime is 52642813. The reversal of 52642790 is 9724625.

52642790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 52642790.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2632130 + ... + 2632149.

It is an arithmetic number, because the mean of its divisors is an integer number (11844630).

Almost surely, 2^52642790 is an apocalyptic number.

52642790 is a deficient number, since it is larger than the sum of its proper divisors (42114250).

52642790 is a wasteful number, since it uses less digits than its factorization.

52642790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5264286.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 52642790 is about 7255.5351284381. The cubic root of 52642790 is about 374.7827838330.

The spelling of 52642790 in words is "fifty-two million, six hundred forty-two thousand, seven hundred ninety".