53521412 has 24 divisors (see below), whose sum is σ = 109534656. Its totient is φ = 22403808.

The previous prime is 53521393. The next prime is 53521439. The reversal of 53521412 is 21412535.

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, 21023 + ... + 23430.

It is an arithmetic number, because the mean of its divisors is an integer number (4563944).

Almost surely, 2^53521412 is an apocalyptic number.

It is an amenable number.

53521412 is an abundant number, since it is smaller than the sum of its proper divisors (56013244).

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

53521412 is a wasteful number, since it uses less digits than its factorization.

53521412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44507 (or 44505 counting only the distinct ones).

The product of its digits is 1200, while the sum is 23.

The square root of 53521412 is about 7315.8329669286. The cubic root of 53521412 is about 376.8563644509.

Adding to 53521412 its reverse (21412535), we get a palindrome (74933947).

The spelling of 53521412 in words is "fifty-three million, five hundred twenty-one thousand, four hundred twelve".