5577858 has 72 divisors (see below), whose sum is σ = 14378364. Its totient is φ = 1552320.

The previous prime is 5577851. The next prime is 5577959. The reversal of 5577858 is 8587755.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5489649 + 88209 = 2343^2 + 297^2 .

It is a super-2 number, since 2×5577858² = 62224999736328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5577851) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28216 + ... + 28412.

Almost surely, 2^5577858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5577858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7189182).

5577858 is an abundant number, since it is smaller than the sum of its proper divisors (8800506).

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

5577858 is a wasteful number, since it uses less digits than its factorization.

5577858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240 (or 226 counting only the distinct ones).

The product of its digits is 392000, while the sum is 45.

The square root of 5577858 is about 2361.7489282309. The cubic root of 5577858 is about 177.3464439337.

The spelling of 5577858 in words is "five million, five hundred seventy-seven thousand, eight hundred fifty-eight".