52833780 has 72 divisors (see below), whose sum is σ = 164614632. Its totient is φ = 13706496.

The previous prime is 52833769. The next prime is 52833787. The reversal of 52833780 is 8733825.

52833780 is a `hidden beast` number, since 5 + 283 + 378 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 9511056 + 43322724 = 3084^2 + 6582^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52833787) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2694 + ... + 10626.

Almost surely, 2^52833780 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52833780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82307316).

52833780 is an abundant number, since it is smaller than the sum of its proper divisors (111780852).

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

52833780 is a wasteful number, since it uses less digits than its factorization.

52833780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7985 (or 7980 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 52833780 is about 7268.6848879285. The cubic root of 52833780 is about 375.2354787684.

The spelling of 52833780 in words is "fifty-two million, eight hundred thirty-three thousand, seven hundred eighty".