5621650 has 24 divisors (see below), whose sum is σ = 10819620. Its totient is φ = 2170560.

The previous prime is 5621617. The next prime is 5621653. The reversal of 5621650 is 561265.

It can be written as a sum of positive squares in 6 ways, for example, as 1423249 + 4198401 = 1193^2 + 2049^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (5621653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 489 + ... + 3388.

Almost surely, 2^5621650 is an apocalyptic number.

5621650 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5621650 is a deficient number, since it is larger than the sum of its proper divisors (5197970).

5621650 is a wasteful number, since it uses less digits than its factorization.

5621650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3918 (or 3913 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 5621650 is about 2371.0018979326. The cubic root of 5621650 is about 177.8093527539.

The spelling of 5621650 in words is "five million, six hundred twenty-one thousand, six hundred fifty".