52635390 has 32 divisors (see below), whose sum is σ = 129409056. Its totient is φ = 13693440.

The previous prime is 52635371. The next prime is 52635403. The reversal of 52635390 is 9353625.

It is a congruent 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, 20167 + ... + 22626.

It is an arithmetic number, because the mean of its divisors is an integer number (4044033).

Almost surely, 2^52635390 is an apocalyptic number.

52635390 is an abundant number, since it is smaller than the sum of its proper divisors (76773666).

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

52635390 is a wasteful number, since it uses less digits than its factorization.

52635390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42844.

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 52635390 is about 7255.0251550219. The cubic root of 52635390 is about 374.7652219309.

The spelling of 52635390 in words is "fifty-two million, six hundred thirty-five thousand, three hundred ninety".