52636890 has 32 divisors (see below), whose sum is σ = 126997056. Its totient is φ = 13962240.

The previous prime is 52636873. The next prime is 52636891. The reversal of 52636890 is 9863625.

52636890 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52636891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1245 + ... + 10335.

It is an arithmetic number, because the mean of its divisors is an integer number (3968658).

Almost surely, 2^52636890 is an apocalyptic number.

52636890 is an abundant number, since it is smaller than the sum of its proper divisors (74360166).

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

52636890 is a wasteful number, since it uses less digits than its factorization.

52636890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9294.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 52636890 is about 7255.1285309083. The cubic root of 52636890 is about 374.7687819089.

The spelling of 52636890 in words is "fifty-two million, six hundred thirty-six thousand, eight hundred ninety".