5721650 has 48 divisors (see below), whose sum is σ = 11838528. Its totient is φ = 2040000.

The previous prime is 5721649. The next prime is 5721659. The reversal of 5721650 is 561275.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5721659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55499 + ... + 55601.

It is an arithmetic number, because the mean of its divisors is an integer number (246636).

Almost surely, 2^5721650 is an apocalyptic number.

5721650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5721650 is an abundant number, since it is smaller than the sum of its proper divisors (6116878).

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

5721650 is a wasteful number, since it uses less digits than its factorization.

5721650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 5721650 is about 2391.9970735768. The cubic root of 5721650 is about 178.8574752625.

It can be divided in two parts, 572 and 1650, that added together give a palindrome (2222).

The spelling of 5721650 in words is "five million, seven hundred twenty-one thousand, six hundred fifty".