53338590 has 48 divisors (see below), whose sum is σ = 140259600. Its totient is φ = 14061696.

The previous prime is 53338589. The next prime is 53338591. The reversal of 53338590 is 9583335.

53338590 is a `hidden beast` number, since 5 + 33 + 38 + 590 = 666.

It is an interprime number because it is at equal distance from previous prime (53338589) and next prime (53338591).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53338591) 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, 4681 + ... + 11339.

It is an arithmetic number, because the mean of its divisors is an integer number (2922075).

Almost surely, 2^53338590 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53338590, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70129800).

53338590 is an abundant number, since it is smaller than the sum of its proper divisors (86921010).

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

53338590 is a wasteful number, since it uses less digits than its factorization.

53338590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6761 (or 6758 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 36.

The square root of 53338590 is about 7303.3273238983. The cubic root of 53338590 is about 376.4267779279.

The spelling of 53338590 in words is "fifty-three million, three hundred thirty-eight thousand, five hundred ninety".