5557611000 has 128 divisors (see below), whose sum is σ = 17366169600. Its totient is φ = 1479772800.

The previous prime is 5557610909. The next prime is 5557611001. The reversal of 5557611000 is 1167555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5557611001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3116109 + ... + 3117891.

It is an arithmetic number, because the mean of its divisors is an integer number (135673200).

Almost surely, 2^5557611000 is an apocalyptic number.

5557611000 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 5557611000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8683084800).

5557611000 is an abundant number, since it is smaller than the sum of its proper divisors (11808558600).

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

5557611000 is a wasteful number, since it uses less digits than its factorization.

5557611000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2846 (or 2832 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 30.

The square root of 5557611000 is about 74549.3863153816. The cubic root of 5557611000 is about 1771.3160119377.

Adding to 5557611000 its reverse (1167555), we get a palindrome (5558778555).

The spelling of 5557611000 in words is "five billion, five hundred fifty-seven million, six hundred eleven thousand".