52787293 has 8 divisors (see below), whose sum is σ = 57649536. Its totient is φ = 48039600.

The previous prime is 52787281. The next prime is 52787309. The reversal of 52787293 is 39278725.

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 52787293 - 2¹⁷ = 52656221 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 (52787233) 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, 27673 + ... + 29518.

It is an arithmetic number, because the mean of its divisors is an integer number (7206192).

Almost surely, 2^52787293 is an apocalyptic number.

It is an amenable number.

52787293 is a deficient number, since it is larger than the sum of its proper divisors (4862243).

52787293 is a wasteful number, since it uses less digits than its factorization.

52787293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57275.

The product of its digits is 211680, while the sum is 43.

The square root of 52787293 is about 7265.4864255602. The cubic root of 52787293 is about 375.1253933253.

The spelling of 52787293 in words is "fifty-two million, seven hundred eighty-seven thousand, two hundred ninety-three".