5557656 has 64 divisors (see below), whose sum is σ = 15321600. Its totient is φ = 1669248.

The previous prime is 5557631. The next prime is 5557661. The reversal of 5557656 is 6567555.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

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, 14475 + ... + 14853.

It is an arithmetic number, because the mean of its divisors is an integer number (239400).

Almost surely, 2^5557656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5557656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7660800).

5557656 is an abundant number, since it is smaller than the sum of its proper divisors (9763944).

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

5557656 is a wasteful number, since it uses less digits than its factorization.

5557656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 444 counting only the distinct ones).

The product of its digits is 157500, while the sum is 39.

The square root of 5557656 is about 2357.4681334007. The cubic root of 5557656 is about 177.1320792709.

The spelling of 5557656 in words is "five million, five hundred fifty-seven thousand, six hundred fifty-six".