52689590 has 8 divisors (see below), whose sum is σ = 94841280. Its totient is φ = 21075832.

The previous prime is 52689569. The next prime is 52689599. The reversal of 52689590 is 9598625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52689599) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2634470 + ... + 2634489.

It is an arithmetic number, because the mean of its divisors is an integer number (11855160).

Almost surely, 2^52689590 is an apocalyptic number.

52689590 is a deficient number, since it is larger than the sum of its proper divisors (42151690).

52689590 is a wasteful number, since it uses less digits than its factorization.

52689590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5268966.

The product of its (nonzero) digits is 194400, while the sum is 44.

The square root of 52689590 is about 7258.7595358987. The cubic root of 52689590 is about 374.8938128973.

The spelling of 52689590 in words is "fifty-two million, six hundred eighty-nine thousand, five hundred ninety".