53315334 has 80 divisors (see below), whose sum is σ = 128066400. Its totient is φ = 16536960.

The previous prime is 53315309. The next prime is 53315347. The reversal of 53315334 is 43351335.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 53315298 and 53315307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 152592 + ... + 152940.

It is an arithmetic number, because the mean of its divisors is an integer number (1600830).

Almost surely, 2^53315334 is an apocalyptic number.

53315334 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 53315334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64033200).

53315334 is an abundant number, since it is smaller than the sum of its proper divisors (74751066).

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

53315334 is a wasteful number, since it uses less digits than its factorization.

53315334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427 (or 418 counting only the distinct ones).

The product of its digits is 8100, while the sum is 27.

The square root of 53315334 is about 7301.7349992998. The cubic root of 53315334 is about 376.3720617350.

Adding to 53315334 its reverse (43351335), we get a palindrome (96666669).

The spelling of 53315334 in words is "fifty-three million, three hundred fifteen thousand, three hundred thirty-four".