52371638 has 32 divisors (see below), whose sum is σ = 90720000. Its totient is φ = 22425120.

The previous prime is 52371629. The next prime is 52371653. The reversal of 52371638 is 83617325.

52371638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-5 number, since 5×52371638⁵ (a number of 40 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52371598 and 52371607.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 145703 + ... + 146061.

It is an arithmetic number, because the mean of its divisors is an integer number (2835000).

Almost surely, 2^52371638 is an apocalyptic number.

52371638 is a deficient number, since it is larger than the sum of its proper divisors (38348362).

52371638 is a wasteful number, since it uses less digits than its factorization.

52371638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740.

The product of its digits is 30240, while the sum is 35.

The square root of 52371638 is about 7236.8251326117. The cubic root of 52371638 is about 374.1381999486.

The spelling of 52371638 in words is "fifty-two million, three hundred seventy-one thousand, six hundred thirty-eight".