52909997 has 8 divisors (see below), whose sum is σ = 61460352. Its totient is φ = 44607600.

The previous prime is 52909993. The next prime is 52910021. The reversal of 52909997 is 79990925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52909997 - 2² = 52909993 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52909993) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61529 + ... + 62382.

It is an arithmetic number, because the mean of its divisors is an integer number (7682544).

Almost surely, 2^52909997 is an apocalyptic number.

It is an amenable number.

52909997 is a deficient number, since it is larger than the sum of its proper divisors (8550355).

52909997 is a wasteful number, since it uses less digits than its factorization.

52909997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123979.

The product of its (nonzero) digits is 459270, while the sum is 50.

The square root of 52909997 is about 7273.9258313513. The cubic root of 52909997 is about 375.4158279138.

The spelling of 52909997 in words is "fifty-two million, nine hundred nine thousand, nine hundred ninety-seven".