52690917 has 16 divisors (see below), whose sum is σ = 72737280. Its totient is φ = 33892800.

The previous prime is 52690873. The next prime is 52690919. The reversal of 52690917 is 71909625.

It is not a de Polignac number, because 52690917 - 2⁸ = 52690661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52690919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42259 + ... + 43487.

It is an arithmetic number, because the mean of its divisors is an integer number (4546080).

Almost surely, 2^52690917 is an apocalyptic number.

It is an amenable number.

52690917 is a deficient number, since it is larger than the sum of its proper divisors (20046363).

52690917 is a wasteful number, since it uses less digits than its factorization.

52690917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 34020, while the sum is 39.

The square root of 52690917 is about 7258.8509421258. The cubic root of 52690917 is about 374.8969601345.

The spelling of 52690917 in words is "fifty-two million, six hundred ninety thousand, nine hundred seventeen".