5557500 has 180 divisors, whose sum is σ = 19899880. Its totient is φ = 1296000.

The previous prime is 5557499. The next prime is 5557501. The reversal of 5557500 is 57555.

It is an interprime number because it is at equal distance from previous prime (5557499) and next prime (5557501).

It is a tau number, because it is divible by the number of its divisors (180).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 292491 + ... + 292509.

Almost surely, 2^5557500 is an apocalyptic number.

5557500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5557500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9949940).

5557500 is an abundant number, since it is smaller than the sum of its proper divisors (14342380).

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

5557500 is a wasteful number, since it uses less digits than its factorization.

5557500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62 (or 42 counting only the distinct ones).

The product of its (nonzero) digits is 4375, while the sum is 27.

The square root of 5557500 is about 2357.4350468253. The cubic root of 5557500 is about 177.1304219258.

Subtracting from 5557500 its reverse (57555), we obtain a palindrome (5499945).

The spelling of 5557500 in words is "five million, five hundred fifty-seven thousand, five hundred".