53658012 has 48 divisors (see below), whose sum is σ = 129153024. Its totient is φ = 17328000.

The previous prime is 53657999. The next prime is 53658013. The reversal of 53658012 is 21085635.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53658013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93687 + ... + 94257.

It is an arithmetic number, because the mean of its divisors is an integer number (2690688).

Almost surely, 2^53658012 is an apocalyptic number.

It is an amenable number.

53658012 is an abundant number, since it is smaller than the sum of its proper divisors (75495012).

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

53658012 is a wasteful number, since it uses less digits than its factorization.

53658012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810 (or 808 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 53658012 is about 7325.1629333415. The cubic root of 53658012 is about 377.1767025739.

The spelling of 53658012 in words is "fifty-three million, six hundred fifty-eight thousand, twelve".