52421132 has 36 divisors (see below), whose sum is σ = 98458584. Its totient is φ = 24414720.

The previous prime is 52421111. The next prime is 52421137. The reversal of 52421132 is 23112425.

52421132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52421132² = 5495950160322848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52421137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158207 + ... + 158537.

Almost surely, 2^52421132 is an apocalyptic number.

It is an amenable number.

52421132 is a deficient number, since it is larger than the sum of its proper divisors (46037452).

52421132 is a wasteful number, since it uses less digits than its factorization.

52421132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506 (or 487 counting only the distinct ones).

The product of its digits is 480, while the sum is 20.

The square root of 52421132 is about 7240.2439185431. The cubic root of 52421132 is about 374.2560230456.

Adding to 52421132 its reverse (23112425), we get a palindrome (75533557).

It can be divided in two parts, 5 and 2421132, that multiplied together give a triangular number (12105660 = T₄₉₂₀).

The spelling of 52421132 in words is "fifty-two million, four hundred twenty-one thousand, one hundred thirty-two".