52084890 has 256 divisors, whose sum is σ = 174182400. Its totient is φ = 10886400.

The previous prime is 52084831. The next prime is 52084913. The reversal of 52084890 is 9848025.

52084890 is a `hidden beast` number, since 520 + 8 + 48 + 90 = 666.

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 127 ways as a sum of consecutive naturals, for example, 733555 + ... + 733625.

It is an arithmetic number, because the mean of its divisors is an integer number (680400).

Almost surely, 2^52084890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52084890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87091200).

52084890 is an abundant number, since it is smaller than the sum of its proper divisors (122097510).

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

52084890 is a wasteful number, since it uses less digits than its factorization.

52084890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 52084890 is about 7216.9862130948. The cubic root of 52084890 is about 373.4541160712.

The spelling of 52084890 in words is "fifty-two million, eighty-four thousand, eight hundred ninety".