52057990 has 32 divisors (see below), whose sum is σ = 97219584. Its totient is φ = 20049120.

The previous prime is 52057939. The next prime is 52057991. The reversal of 52057990 is 9975025.

52057990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52057991) 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 15 ways as a sum of consecutive naturals, for example, 94897 + ... + 95443.

It is an arithmetic number, because the mean of its divisors is an integer number (3038112).

Almost surely, 2^52057990 is an apocalyptic number.

52057990 is a deficient number, since it is larger than the sum of its proper divisors (45161594).

52057990 is a wasteful number, since it uses less digits than its factorization.

52057990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892.

The product of its (nonzero) digits is 28350, while the sum is 37.

The square root of 52057990 is about 7215.1223135855. The cubic root of 52057990 is about 373.3898130608.

The spelling of 52057990 in words is "fifty-two million, fifty-seven thousand, nine hundred ninety".