53441718 has 48 divisors (see below), whose sum is σ = 123114816. Its totient is φ = 15335280.

The previous prime is 53441677. The next prime is 53441723. The reversal of 53441718 is 81714435.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22705 + ... + 24947.

It is an arithmetic number, because the mean of its divisors is an integer number (2564892).

Almost surely, 2^53441718 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53441718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61557408).

53441718 is an abundant number, since it is smaller than the sum of its proper divisors (69673098).

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

53441718 is a wasteful number, since it uses less digits than its factorization.

53441718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2297 (or 2278 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 53441718 is about 7310.3842580264. The cubic root of 53441718 is about 376.6692237102.

It can be divided in two parts, 534417 and 18, that added together give a palindrome (534435).

The spelling of 53441718 in words is "fifty-three million, four hundred forty-one thousand, seven hundred eighteen".