555000500550 has 48 divisors (see below), whose sum is σ = 1377494959680. Its totient is φ = 147882529440.

The previous prime is 555000500533. The next prime is 555000500599. The reversal of 555000500550 is 55005000555.

It is a super-2 number, since 2×555000500550² (a number of 24 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 1280572 + ... + 1658271.

It is an arithmetic number, because the mean of its divisors is an integer number (28697811660).

Almost surely, 2^555000500550 is an apocalyptic number.

555000500550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

555000500550 is an abundant number, since it is smaller than the sum of its proper divisors (822494459130).

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

555000500550 is a wasteful number, since it uses less digits than its factorization.

555000500550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940117 (or 2940112 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 555000500550 in words is "five hundred fifty-five billion, five hundred thousand, five hundred fifty".