5721100 has 72 divisors (see below), whose sum is σ = 15499008. Its totient is φ = 1780800.

The previous prime is 5721059. The next prime is 5721113. The reversal of 5721100 is 11275.

It is a congruent number.

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, 7329 + ... + 8071.

It is an arithmetic number, because the mean of its divisors is an integer number (215264).

Almost surely, 2^5721100 is an apocalyptic number.

5721100 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 5721100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7749504).

5721100 is an abundant number, since it is smaller than the sum of its proper divisors (9777908).

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

5721100 is a wasteful number, since it uses less digits than its factorization.

5721100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 16.

The square root of 5721100 is about 2391.8821041180. The cubic root of 5721100 is about 178.8517441206.

Adding to 5721100 its reverse (11275), we get a palindrome (5732375).

The spelling of 5721100 in words is "five million, seven hundred twenty-one thousand, one hundred".