52257066 has 16 divisors (see below), whose sum is σ = 105057984. Its totient is φ = 17328384.

The previous prime is 52257059. The next prime is 52257077. The reversal of 52257066 is 66075225.

It is a nialpdrome in base 13.

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, 21406 + ... + 23721.

It is an arithmetic number, because the mean of its divisors is an integer number (6566124).

Almost surely, 2^52257066 is an apocalyptic number.

52257066 is an abundant number, since it is smaller than the sum of its proper divisors (52800918).

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

52257066 is a wasteful number, since it uses less digits than its factorization.

52257066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45325.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 52257066 is about 7228.9048963173. The cubic root of 52257066 is about 373.8651701162.

The spelling of 52257066 in words is "fifty-two million, two hundred fifty-seven thousand, sixty-six".