53455312 has 20 divisors (see below), whose sum is σ = 108073440. Its totient is φ = 25565408.

The previous prime is 53455301. The next prime is 53455313. The reversal of 53455312 is 21355435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53455313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72262 + ... + 72997.

It is an arithmetic number, because the mean of its divisors is an integer number (5403672).

Almost surely, 2^53455312 is an apocalyptic number.

It is an amenable number.

53455312 is an abundant number, since it is smaller than the sum of its proper divisors (54618128).

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

53455312 is a wasteful number, since it uses less digits than its factorization.

53455312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145290 (or 145284 counting only the distinct ones).

The product of its digits is 9000, while the sum is 28.

The square root of 53455312 is about 7311.3139721941. The cubic root of 53455312 is about 376.7011588570.

The spelling of 53455312 in words is "fifty-three million, four hundred fifty-five thousand, three hundred twelve".