5571620 has 12 divisors (see below), whose sum is σ = 11700444. Its totient is φ = 2228640.

The previous prime is 5571607. The next prime is 5571623. The reversal of 5571620 is 261755.

It can be written as a sum of positive squares in 2 ways, for example, as 1401856 + 4169764 = 1184^2 + 2042^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5571620.

It is not an unprimeable number, because it can be changed into a prime (5571623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 139271 + ... + 139310.

It is an arithmetic number, because the mean of its divisors is an integer number (975037).

Almost surely, 2^5571620 is an apocalyptic number.

It is an amenable number.

5571620 is an abundant number, since it is smaller than the sum of its proper divisors (6128824).

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

5571620 is a wasteful number, since it uses less digits than its factorization.

5571620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278590 (or 278588 counting only the distinct ones).

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

The square root of 5571620 is about 2360.4279273047. The cubic root of 5571620 is about 177.2803074479.

The spelling of 5571620 in words is "five million, five hundred seventy-one thousand, six hundred twenty".