52690898 has 16 divisors (see below), whose sum is σ = 85372056. Its totient is φ = 24245760.

The previous prime is 52690873. The next prime is 52690919. The reversal of 52690898 is 89809625.

It can be written as a sum of positive squares in 4 ways, for example, as 34140649 + 18550249 = 5843^2 + 4307^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6308 + ... + 12048.

Almost surely, 2^52690898 is an apocalyptic number.

52690898 is a deficient number, since it is larger than the sum of its proper divisors (32681158).

52690898 is a wasteful number, since it uses less digits than its factorization.

52690898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6109.

The product of its (nonzero) digits is 311040, while the sum is 47.

The square root of 52690898 is about 7258.8496333786. The cubic root of 52690898 is about 374.8969150727.

The spelling of 52690898 in words is "fifty-two million, six hundred ninety thousand, eight hundred ninety-eight".