52212432 has 40 divisors (see below), whose sum is σ = 139237120. Its totient is φ = 16842240.

The previous prime is 52212427. The next prime is 52212487. The reversal of 52212432 is 23421225.

It is a super-2 number, since 2×52212432² = 5452276110709248, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 52212399 and 52212408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16057 + ... + 19032.

It is an arithmetic number, because the mean of its divisors is an integer number (3480928).

Almost surely, 2^52212432 is an apocalyptic number.

It is an amenable number.

52212432 is an abundant number, since it is smaller than the sum of its proper divisors (87024688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52212432 is a wasteful number, since it uses less digits than its factorization.

52212432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35131 (or 35125 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 52212432 is about 7225.8170472273. The cubic root of 52212432 is about 373.7586974259.

Adding to 52212432 its reverse (23421225), we get a palindrome (75633657).

The spelling of 52212432 in words is "fifty-two million, two hundred twelve thousand, four hundred thirty-two".