52021337 has 4 divisors (see below), whose sum is σ = 52039296. Its totient is φ = 52003380.

The previous prime is 52021313. The next prime is 52021369. The reversal of 52021337 is 73312025.

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 a cyclic number.

It is not a de Polignac number, because 52021337 - 2¹⁸ = 51759193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52021397) 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, 3533 + ... + 10794.

It is an arithmetic number, because the mean of its divisors is an integer number (13009824).

Almost surely, 2^52021337 is an apocalyptic number.

It is an amenable number.

52021337 is a deficient number, since it is larger than the sum of its proper divisors (17959).

52021337 is a wasteful number, since it uses less digits than its factorization.

52021337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17958.

The product of its (nonzero) digits is 1260, while the sum is 23.

The square root of 52021337 is about 7212.5818539549. The cubic root of 52021337 is about 373.3021603613.

The spelling of 52021337 in words is "fifty-two million, twenty-one thousand, three hundred thirty-seven".