52556290 has 8 divisors (see below), whose sum is σ = 94601340. Its totient is φ = 21022512.

The previous prime is 52556281. The next prime is 52556291. The reversal of 52556290 is 9265525.

It can be written as a sum of positive squares in 2 ways, for example, as 52142841 + 413449 = 7221^2 + 643^2 .

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

It is not an unprimeable number, because it can be changed into a prime (52556291) 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, 2627805 + ... + 2627824.

Almost surely, 2^52556290 is an apocalyptic number.

52556290 is a deficient number, since it is larger than the sum of its proper divisors (42045050).

52556290 is a wasteful number, since it uses less digits than its factorization.

52556290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255636.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 52556290 is about 7249.5717114875. The cubic root of 52556290 is about 374.5773965216.

The spelling of 52556290 in words is "fifty-two million, five hundred fifty-six thousand, two hundred ninety".