52855490 has 16 divisors (see below), whose sum is σ = 95559480. Its totient is φ = 21048960.

The previous prime is 52855489. The next prime is 52855507. The reversal of 52855490 is 9455825.

It can be written as a sum of positive squares in 4 ways, for example, as 50566321 + 2289169 = 7111^2 + 1513^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9251 + ... + 13830.

Almost surely, 2^52855490 is an apocalyptic number.

52855490 is a deficient number, since it is larger than the sum of its proper divisors (42703990).

52855490 is a wasteful number, since it uses less digits than its factorization.

52855490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23317.

The product of its (nonzero) digits is 72000, while the sum is 38.

The square root of 52855490 is about 7270.1781271163. The cubic root of 52855490 is about 375.2868679029.

The spelling of 52855490 in words is "fifty-two million, eight hundred fifty-five thousand, four hundred ninety".