53213452 has 24 divisors (see below), whose sum is σ = 99276800. Its totient is φ = 24884496.

The previous prime is 53213429. The next prime is 53213497. The reversal of 53213452 is 25431235.

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, 1573 + ... + 10435.

Almost surely, 2^53213452 is an apocalyptic number.

It is an amenable number.

53213452 is a deficient number, since it is larger than the sum of its proper divisors (46063348).

53213452 is a wasteful number, since it uses less digits than its factorization.

53213452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8965 (or 8963 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 53213452 is about 7294.7551021265. The cubic root of 53213452 is about 376.1321683389.

Adding to 53213452 its reverse (25431235), we get a palindrome (78644687).

The spelling of 53213452 in words is "fifty-three million, two hundred thirteen thousand, four hundred fifty-two".