5577881 has 4 divisors (see below), whose sum is σ = 5587764. Its totient is φ = 5568000.

The previous prime is 5577851. The next prime is 5577959. The reversal of 5577881 is 1887755.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4840000 + 737881 = 2200^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 5577881 - 2¹⁴ = 5561497 is a prime.

It is a super-2 number, since 2×5577881² = 62225512900322, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5577821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4040 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (1396941).

Almost surely, 2^5577881 is an apocalyptic number.

It is an amenable number.

5577881 is a deficient number, since it is larger than the sum of its proper divisors (9883).

5577881 is an equidigital number, since it uses as much as digits as its factorization.

5577881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9882.

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

The square root of 5577881 is about 2361.7537974988. The cubic root of 5577881 is about 177.3466876929.

The spelling of 5577881 in words is "five million, five hundred seventy-seven thousand, eight hundred eighty-one".