53163400 has 48 divisors (see below), whose sum is σ = 124255440. Its totient is φ = 21153600.

The previous prime is 53163379. The next prime is 53163401. The reversal of 53163400 is 436135.

It is not an unprimeable number, because it can be changed into a prime (53163401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44815 + ... + 45985.

It is an arithmetic number, because the mean of its divisors is an integer number (2588655).

Almost surely, 2^53163400 is an apocalyptic number.

53163400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53163400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62127720).

53163400 is an abundant number, since it is smaller than the sum of its proper divisors (71092040).

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

53163400 is a wasteful number, since it uses less digits than its factorization.

53163400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1414 (or 1405 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 53163400 is about 7291.3236109776. The cubic root of 53163400 is about 376.0142027229.

Adding to 53163400 its reverse (436135), we get a palindrome (53599535).

The spelling of 53163400 in words is "fifty-three million, one hundred sixty-three thousand, four hundred".