52348021 has 24 divisors (see below), whose sum is σ = 62028000. Its totient is φ = 43689600.

The previous prime is 52348019. The next prime is 52348027. The reversal of 52348021 is 12084325.

It is not a de Polignac number, because 52348021 - 2¹ = 52348019 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 (52348027) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351255 + ... + 351403.

It is an arithmetic number, because the mean of its divisors is an integer number (2584500).

Almost surely, 2^52348021 is an apocalyptic number.

It is an amenable number.

52348021 is a deficient number, since it is larger than the sum of its proper divisors (9679979).

52348021 is a wasteful number, since it uses less digits than its factorization.

52348021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 52348021 is about 7235.1932247867. The cubic root of 52348021 is about 374.0819522622.

The spelling of 52348021 in words is "fifty-two million, three hundred forty-eight thousand, twenty-one".