53645412 has 24 divisors (see below), whose sum is σ = 128556736. Its totient is φ = 17398368.

The previous prime is 53645401. The next prime is 53645461. The reversal of 53645412 is 21454635.

It is a self number, because there is not a number n which added to its sum of digits gives 53645412.

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, 59968 + ... + 60855.

Almost surely, 2^53645412 is an apocalyptic number.

It is an amenable number.

53645412 is an abundant number, since it is smaller than the sum of its proper divisors (74911324).

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

53645412 is a wasteful number, since it uses less digits than its factorization.

53645412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120867 (or 120865 counting only the distinct ones).

The product of its digits is 14400, while the sum is 30.

The square root of 53645412 is about 7324.3028337173. The cubic root of 53645412 is about 377.1471773249.

The spelling of 53645412 in words is "fifty-three million, six hundred forty-five thousand, four hundred twelve".