52049790 has 80 divisors (see below), whose sum is σ = 150752448. Its totient is φ = 12809664.

The previous prime is 52049743. The next prime is 52049813. The reversal of 52049790 is 9794025.

52049790 is a `hidden beast` number, since 520 + 49 + 7 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8059 + ... + 13001.

Almost surely, 2^52049790 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52049790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75376224).

52049790 is an abundant number, since it is smaller than the sum of its proper divisors (98702658).

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

52049790 is a wasteful number, since it uses less digits than its factorization.

52049790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975 (or 4966 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 52049790 is about 7214.5540402717. The cubic root of 52049790 is about 373.3702069943.

The spelling of 52049790 in words is "fifty-two million, forty-nine thousand, seven hundred ninety".