5655858 has 32 divisors (see below), whose sum is σ = 12398400. Its totient is φ = 1709376.

The previous prime is 5655851. The next prime is 5655877. The reversal of 5655858 is 8585565.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5655851) 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 15 ways as a sum of consecutive naturals, for example, 3988 + ... + 5216.

It is an arithmetic number, because the mean of its divisors is an integer number (387450).

Almost surely, 2^5655858 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5655858, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6199200).

5655858 is an abundant number, since it is smaller than the sum of its proper divisors (6742542).

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

5655858 is a wasteful number, since it uses less digits than its factorization.

5655858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1306.

The product of its digits is 240000, while the sum is 42.

The square root of 5655858 is about 2378.2047851268. The cubic root of 5655858 is about 178.1692830497.

It can be divided in two parts, 56558 and 58, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 5655858 in words is "five million, six hundred fifty-five thousand, eight hundred fifty-eight".