552121551500 has 48 divisors (see below), whose sum is σ = 1217103058080. Its totient is φ = 218784593600.

The previous prime is 552121551497. The next prime is 552121551503. The reversal of 552121551500 is 5155121255.

It is an interprime number because it is at equal distance from previous prime (552121551497) and next prime (552121551503).

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (552121551503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5106515 + ... + 5213514.

It is an arithmetic number, because the mean of its divisors is an integer number (25356313710).

Almost surely, 2^552121551500 is an apocalyptic number.

552121551500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

552121551500 is an abundant number, since it is smaller than the sum of its proper divisors (664981506580).

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

552121551500 is a wasteful number, since it uses less digits than its factorization.

552121551500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320155 (or 10320143 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 32.

Adding to 552121551500 its reverse (5155121255), we get a palindrome (557276672755).

The spelling of 552121551500 in words is "five hundred fifty-two billion, one hundred twenty-one million, five hundred fifty-one thousand, five hundred".