5581787 has 8 divisors (see below), whose sum is σ = 5744640. Its totient is φ = 5420520.

The previous prime is 5581769. The next prime is 5581817. The reversal of 5581787 is 7871855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5581787 - 2⁸ = 5581531 is a prime.

It is a super-2 number, since 2×5581787² = 62312692226738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5581727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11414 + ... + 11892.

It is an arithmetic number, because the mean of its divisors is an integer number (718080).

Almost surely, 2^5581787 is an apocalyptic number.

5581787 is a deficient number, since it is larger than the sum of its proper divisors (162853).

5581787 is a wasteful number, since it uses less digits than its factorization.

5581787 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793.

The product of its digits is 78400, while the sum is 41.

The square root of 5581787 is about 2362.5805806364. The cubic root of 5581787 is about 177.3880746479.

The spelling of 5581787 in words is "five million, five hundred eighty-one thousand, seven hundred eighty-seven".