52866210 has 16 divisors (see below), whose sum is σ = 126878976. Its totient is φ = 14097648.

The previous prime is 52866197. The next prime is 52866223. The reversal of 52866210 is 1266825.

It is an interprime number because it is at equal distance from previous prime (52866197) and next prime (52866223).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1762207 = 52866210 / (5 + 2 + 8 + 6 + 6 + 2 + 1 + 0).

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, 881074 + ... + 881133.

It is an arithmetic number, because the mean of its divisors is an integer number (7929936).

Almost surely, 2^52866210 is an apocalyptic number.

52866210 is an abundant number, since it is smaller than the sum of its proper divisors (74012766).

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

52866210 is a wasteful number, since it uses less digits than its factorization.

52866210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1762217.

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 52866210 is about 7270.9153481525. The cubic root of 52866210 is about 375.3122377259.

The spelling of 52866210 in words is "fifty-two million, eight hundred sixty-six thousand, two hundred ten".