5551022500 has 30 divisors (see below), whose sum is σ = 12138981470. Its totient is φ = 2220408000.

The previous prime is 5551022483. The next prime is 5551022507. The reversal of 5551022500 is 52201555.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 4184537344 + 1366485156 = 64688^2 + 36966^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (5551022507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1107705 + ... + 1112704.

Almost surely, 2^5551022500 is an apocalyptic number.

5551022500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5551022500 is an abundant number, since it is smaller than the sum of its proper divisors (6587958970).

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

5551022500 is a wasteful number, since it uses less digits than its factorization.

5551022500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2220433 (or 2220416 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 5551022500 is about 74505.1843833703. The cubic root of 5551022500 is about 1770.6157751950.

The spelling of 5551022500 in words is "five billion, five hundred fifty-one million, twenty-two thousand, five hundred".