52628790 has 16 divisors (see below), whose sum is σ = 126309168. Its totient is φ = 14034336.

The previous prime is 52628743. The next prime is 52628791. The reversal of 52628790 is 9782625.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52628791) 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, 877117 + ... + 877176.

It is an arithmetic number, because the mean of its divisors is an integer number (7894323).

Almost surely, 2^52628790 is an apocalyptic number.

52628790 is an abundant number, since it is smaller than the sum of its proper divisors (73680378).

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

52628790 is a wasteful number, since it uses less digits than its factorization.

52628790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1754303.

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 52628790 is about 7254.5702836212. The cubic root of 52628790 is about 374.7495572241.

The spelling of 52628790 in words is "fifty-two million, six hundred twenty-eight thousand, seven hundred ninety".