52379890 has 16 divisors (see below), whose sum is σ = 99830232. Its totient is φ = 19719424.

The previous prime is 52379881. The next prime is 52379893. The reversal of 52379890 is 9897325.

It is a happy number.

52379890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30393169 + 21986721 = 5513^2 + 4689^2 .

It is not an unprimeable number, because it can be changed into a prime (52379893) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 153889 + ... + 154228.

Almost surely, 2^52379890 is an apocalyptic number.

52379890 is a deficient number, since it is larger than the sum of its proper divisors (47450342).

52379890 is a wasteful number, since it uses less digits than its factorization.

52379890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308141.

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 52379890 is about 7237.3952496737. The cubic root of 52379890 is about 374.1578494281.

The spelling of 52379890 in words is "fifty-two million, three hundred seventy-nine thousand, eight hundred ninety".