52382421 has 36 divisors (see below), whose sum is σ = 94797612. Its totient is φ = 27627264.

The previous prime is 52382413. The next prime is 52382437. The reversal of 52382421 is 12428325.

52382421 is a `hidden beast` number, since 5 + 238 + 2 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3186225 + 49196196 = 1785^2 + 7014^2 .

It is not a de Polignac number, because 52382421 - 2³ = 52382413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52382521) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1165 + ... + 10301.

It is an arithmetic number, because the mean of its divisors is an integer number (2633267).

Almost surely, 2^52382421 is an apocalyptic number.

It is an amenable number.

52382421 is a deficient number, since it is larger than the sum of its proper divisors (42415191).

52382421 is a wasteful number, since it uses less digits than its factorization.

52382421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9170 (or 9160 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 52382421 is about 7237.5701032874. The cubic root of 52382421 is about 374.1638757757.

It can be divided in two parts, 523 and 82421, that added together give a square (82944 = 288²).

The spelling of 52382421 in words is "fifty-two million, three hundred eighty-two thousand, four hundred twenty-one".