5581964 has 6 divisors (see below), whose sum is σ = 9768444. Its totient is φ = 2790980.

The previous prime is 5581963. The next prime is 5581969. The reversal of 5581964 is 4691855.

It is a d-powerful number, because it can be written as 5⁸ + 5⁸ + 8² + 1 + 9⁷ + 6⁴ + 4⁷ .

It is not an unprimeable number, because it can be changed into a prime (5581963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 697742 + ... + 697749.

It is an arithmetic number, because the mean of its divisors is an integer number (1628074).

Almost surely, 2^5581964 is an apocalyptic number.

It is an amenable number.

5581964 is a deficient number, since it is larger than the sum of its proper divisors (4186480).

5581964 is a wasteful number, since it uses less digits than its factorization.

5581964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1395495 (or 1395493 counting only the distinct ones).

The product of its digits is 43200, while the sum is 38.

The square root of 5581964 is about 2362.6180393792. The cubic root of 5581964 is about 177.3899496363.

The spelling of 5581964 in words is "five million, five hundred eighty-one thousand, nine hundred sixty-four".