52829840 has 60 divisors (see below), whose sum is σ = 142893756. Its totient is φ = 18111744.

The previous prime is 52829837. The next prime is 52829867. The reversal of 52829840 is 4892825.

It can be written as a sum of positive squares in 2 ways, for example, as 27709696 + 25120144 = 5264^2 + 5012^2 .

It is a junction number, because it is equal to n+sod(n) for n = 52829794 and 52829803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2819 + ... + 10658.

Almost surely, 2^52829840 is an apocalyptic number.

It is an amenable number.

52829840 is an abundant number, since it is smaller than the sum of its proper divisors (90063916).

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

52829840 is a wasteful number, since it uses less digits than its factorization.

52829840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504 (or 13491 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 52829840 is about 7268.4138572319. The cubic root of 52829840 is about 375.2261509953.

The spelling of 52829840 in words is "fifty-two million, eight hundred twenty-nine thousand, eight hundred forty".