52690206 has 16 divisors (see below), whose sum is σ = 106467984. Its totient is φ = 17382144.

The previous prime is 52690199. The next prime is 52690223. The reversal of 52690206 is 60209625.

It is a Curzon number.

It is a congruent number.

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, 44685 + ... + 45848.

It is an arithmetic number, because the mean of its divisors is an integer number (6654249).

Almost surely, 2^52690206 is an apocalyptic number.

52690206 is an abundant number, since it is smaller than the sum of its proper divisors (53777778).

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

52690206 is a wasteful number, since it uses less digits than its factorization.

52690206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90635.

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 52690206 is about 7258.8019672671. The cubic root of 52690206 is about 374.8952738670.

The spelling of 52690206 in words is "fifty-two million, six hundred ninety thousand, two hundred six".