52021656100 has 72 divisors (see below), whose sum is σ = 119919060800. Its totient is φ = 19532534400.

The previous prime is 52021656097. The next prime is 52021656139. The reversal of 52021656100 is 165612025.

52021656100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 81505 + ... + 332695.

Almost surely, 2^52021656100 is an apocalyptic number.

52021656100 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 52021656100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59959530400).

52021656100 is an abundant number, since it is smaller than the sum of its proper divisors (67897404700).

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

52021656100 is a wasteful number, since it uses less digits than its factorization.

52021656100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251333 (or 251326 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 52021656100 in words is "fifty-two billion, twenty-one million, six hundred fifty-six thousand, one hundred".