53163456 has 56 divisors (see below), whose sum is σ = 141213840. Its totient is φ = 17651712.

The previous prime is 53163443. The next prime is 53163479. The reversal of 53163456 is 65436135.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78190 + ... + 78866.

Almost surely, 2^53163456 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 53163456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70606920).

53163456 is an abundant number, since it is smaller than the sum of its proper divisors (88050384).

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

53163456 is a wasteful number, since it uses less digits than its factorization.

53163456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1101 (or 1091 counting only the distinct ones).

The product of its digits is 32400, while the sum is 33.

The square root of 53163456 is about 7291.3274511573. The cubic root of 53163456 is about 376.0143347485.

The spelling of 53163456 in words is "fifty-three million, one hundred sixty-three thousand, four hundred fifty-six".