53663424 has 112 divisors (see below), whose sum is σ = 154387296. Its totient is φ = 16384000.

The previous prime is 53663377. The next prime is 53663443. The reversal of 53663424 is 42436635.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133624 + ... + 134024.

It is an arithmetic number, because the mean of its divisors is an integer number (1378458).

Almost surely, 2^53663424 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 53663424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77193648).

53663424 is an abundant number, since it is smaller than the sum of its proper divisors (100723872).

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

53663424 is a wasteful number, since it uses less digits than its factorization.

53663424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 474 (or 464 counting only the distinct ones).

The product of its digits is 51840, while the sum is 33.

The square root of 53663424 is about 7325.5323356054. The cubic root of 53663424 is about 377.1893829523.

The spelling of 53663424 in words is "fifty-three million, six hundred sixty-three thousand, four hundred twenty-four".