52103211500 has 24 divisors (see below), whose sum is σ = 113793415008. Its totient is φ = 20841284400.

The previous prime is 52103211497. The next prime is 52103211521. The reversal of 52103211500 is 511230125.

It is a happy number.

It is a super-2 number, since 2×52103211500² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52102712 + ... + 52103711.

It is an arithmetic number, because the mean of its divisors is an integer number (4741392292).

Almost surely, 2^52103211500 is an apocalyptic number.

52103211500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

52103211500 is an abundant number, since it is smaller than the sum of its proper divisors (61690203508).

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

52103211500 is a wasteful number, since it uses less digits than its factorization.

52103211500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104206442 (or 104206430 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 52103211500 its reverse (511230125), we get a palindrome (52614441625).

The spelling of 52103211500 in words is "fifty-two billion, one hundred three million, two hundred eleven thousand, five hundred".