53297984 has 56 divisors (see below), whose sum is σ = 109837728. Its totient is φ = 25643520.

The previous prime is 53297947. The next prime is 53297987. The reversal of 53297984 is 48979235.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53297987) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 294374 + ... + 294554.

It is an arithmetic number, because the mean of its divisors is an integer number (1961388).

Almost surely, 2^53297984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53297984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54918864).

53297984 is an abundant number, since it is smaller than the sum of its proper divisors (56539744).

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

53297984 is a wasteful number, since it uses less digits than its factorization.

53297984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343 (or 333 counting only the distinct ones).

The product of its digits is 544320, while the sum is 47.

The square root of 53297984 is about 7300.5468288341. The cubic root of 53297984 is about 376.3312306816.

The spelling of 53297984 in words is "fifty-three million, two hundred ninety-seven thousand, nine hundred eighty-four".