53251110 has 144 divisors (see below), whose sum is σ = 160477200. Its totient is φ = 12147840.

The previous prime is 53251097. The next prime is 53251117. The reversal of 53251110 is 1115235.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53251117) 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 71 ways as a sum of consecutive naturals, for example, 357316 + ... + 357464.

It is an arithmetic number, because the mean of its divisors is an integer number (1114425).

Almost surely, 2^53251110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53251110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80238600).

53251110 is an abundant number, since it is smaller than the sum of its proper divisors (107226090).

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

53251110 is a wasteful number, since it uses less digits than its factorization.

53251110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 53251110 is about 7297.3358152137. The cubic root of 53251110 is about 376.2208742626.

Adding to 53251110 its reverse (1115235), we get a palindrome (54366345).

It can be divided in two parts, 53251 and 110, that added together give a square (53361 = 231²).

The spelling of 53251110 in words is "fifty-three million, two hundred fifty-one thousand, one hundred ten".