52921293 has 4 divisors (see below), whose sum is σ = 70561728. Its totient is φ = 35280860.

The previous prime is 52921279. The next prime is 52921307. The reversal of 52921293 is 39212925.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (52921279) and next prime (52921307).

It is a cyclic number.

It is not a de Polignac number, because 52921293 - 2²⁵ = 19366861 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52921243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8820213 + ... + 8820218.

It is an arithmetic number, because the mean of its divisors is an integer number (17640432).

Almost surely, 2^52921293 is an apocalyptic number.

It is an amenable number.

52921293 is a deficient number, since it is larger than the sum of its proper divisors (17640435).

52921293 is a wasteful number, since it uses less digits than its factorization.

52921293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17640434.

The product of its digits is 9720, while the sum is 33.

The square root of 52921293 is about 7274.7022619486. The cubic root of 52921293 is about 375.4425424333.

The spelling of 52921293 in words is "fifty-two million, nine hundred twenty-one thousand, two hundred ninety-three".