52181010 has 80 divisors (see below), whose sum is σ = 160370496. Its totient is φ = 11925792.

The previous prime is 52180993. The next prime is 52181071. The reversal of 52181010 is 1018125.

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

It is an alternating number because its digits alternate between odd and even.

It is a Curzon 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, 1069 + ... + 10271.

Almost surely, 2^52181010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52181010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80185248).

52181010 is an abundant number, since it is smaller than the sum of its proper divisors (108189486).

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

52181010 is a wasteful number, since it uses less digits than its factorization.

52181010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9229 (or 9220 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 18.

The square root of 52181010 is about 7223.6424330112. The cubic root of 52181010 is about 373.6837050530.

Adding to 52181010 its reverse (1018125), we get a palindrome (53199135).

The spelling of 52181010 in words is "fifty-two million, one hundred eighty-one thousand, ten".