53133104 has 40 divisors (see below), whose sum is σ = 107128560. Its totient is φ = 25498368.

The previous prime is 53133071. The next prime is 53133127. The reversal of 53133104 is 40133135.

It is a happy number.

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, 142262 + ... + 142634.

It is an arithmetic number, because the mean of its divisors is an integer number (2678214).

Almost surely, 2^53133104 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 53133104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53564280).

53133104 is an abundant number, since it is smaller than the sum of its proper divisors (53995456).

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

53133104 is a wasteful number, since it uses less digits than its factorization.

53133104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 717 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 53133104 is about 7289.2457771706. The cubic root of 53133104 is about 375.9427632809.

Adding to 53133104 its reverse (40133135), we get a palindrome (93266239).

The spelling of 53133104 in words is "fifty-three million, one hundred thirty-three thousand, one hundred four".