53921304 has 48 divisors (see below), whose sum is σ = 148051800. Its totient is φ = 17725824.

The previous prime is 53921293. The next prime is 53921317. The reversal of 53921304 is 40312935.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 127 + ... + 10385.

Almost surely, 2^53921304 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 53921304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74025900).

53921304 is an abundant number, since it is smaller than the sum of its proper divisors (94130496).

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

53921304 is a wasteful number, since it uses less digits than its factorization.

53921304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10344 (or 10337 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 53921304 is about 7343.1126914953. The cubic root of 53921304 is about 377.7926132070.

The spelling of 53921304 in words is "fifty-three million, nine hundred twenty-one thousand, three hundred four".