52375890 has 64 divisors (see below), whose sum is σ = 144239616. Its totient is φ = 11923392.

The previous prime is 52375889. The next prime is 52375903. The reversal of 52375890 is 9857325.

52375890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 92749 + ... + 93311.

It is an arithmetic number, because the mean of its divisors is an integer number (2253744).

Almost surely, 2^52375890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52375890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72119808).

52375890 is an abundant number, since it is smaller than the sum of its proper divisors (91863726).

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

52375890 is a wasteful number, since it uses less digits than its factorization.

52375890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023.

The product of its (nonzero) digits is 75600, while the sum is 39.

The square root of 52375890 is about 7237.1189018835. The cubic root of 52375890 is about 374.1483249745.

The spelling of 52375890 in words is "fifty-two million, three hundred seventy-five thousand, eight hundred ninety".