52400051100 has 108 divisors (see below), whose sum is σ = 164612120400. Its totient is φ = 13942118400.

The previous prime is 52400051069. The next prime is 52400051117. The reversal of 52400051100 is 115000425.

It is a super-2 number, since 2×52400051100² (a number of 22 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 339265 + ... + 468935.

It is an arithmetic number, because the mean of its divisors is an integer number (1524186300).

Almost surely, 2^52400051100 is an apocalyptic number.

52400051100 is a gapful number since it is divisible by the number (50) 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 52400051100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82306060200).

52400051100 is an abundant number, since it is smaller than the sum of its proper divisors (112212069300).

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

52400051100 is a wasteful number, since it uses less digits than its factorization.

52400051100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130140 (or 130130 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

Adding to 52400051100 its reverse (115000425), we get a palindrome (52515051525).

The spelling of 52400051100 in words is "fifty-two billion, four hundred million, fifty-one thousand, one hundred".