5551540500 has 288 divisors, whose sum is σ = 18055739520. Its totient is φ = 1324224000.

The previous prime is 5551540483. The next prime is 5551540537. The reversal of 5551540500 is 50451555.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13249291 + ... + 13249709.

It is an arithmetic number, because the mean of its divisors is an integer number (62693540).

Almost surely, 2^5551540500 is an apocalyptic number.

5551540500 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 5551540500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9027869760).

5551540500 is an abundant number, since it is smaller than the sum of its proper divisors (12504199020).

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

5551540500 is a wasteful number, since it uses less digits than its factorization.

5551540500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536 (or 513 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

The square root of 5551540500 is about 74508.6605704330. The cubic root of 5551540500 is about 1770.6708491593.

The spelling of 5551540500 in words is "five billion, five hundred fifty-one million, five hundred forty thousand, five hundred".