53115264 has 160 divisors (see below), whose sum is σ = 162914400. Its totient is φ = 17169408.

The previous prime is 53115263. The next prime is 53115287. The reversal of 53115264 is 46251135.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53115263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 487242 + ... + 487350.

It is an arithmetic number, because the mean of its divisors is an integer number (1018215).

Almost surely, 2^53115264 is an apocalyptic number.

53115264 is a gapful number since it is divisible by the number (54) 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 53115264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81457200).

53115264 is an abundant number, since it is smaller than the sum of its proper divisors (109799136).

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

53115264 is a wasteful number, since it uses less digits than its factorization.

53115264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 161 counting only the distinct ones).

The product of its digits is 3600, while the sum is 27.

The square root of 53115264 is about 7288.0219538638. The cubic root of 53115264 is about 375.9006829885.

Adding to 53115264 its reverse (46251135), we get a palindrome (99366399).

The spelling of 53115264 in words is "fifty-three million, one hundred fifteen thousand, two hundred sixty-four".