550161551100 has 72 divisors (see below), whose sum is σ = 1819200869248. Its totient is φ = 125751211200.

The previous prime is 550161551053. The next prime is 550161551123. The reversal of 550161551100 is 1155161055.

It is a super-2 number, since 2×550161551100² (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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 130988746 + ... + 130992945.

Almost surely, 2^550161551100 is an apocalyptic number.

550161551100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

550161551100 is an abundant number, since it is smaller than the sum of its proper divisors (1269039318148).

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

550161551100 is a wasteful number, since it uses less digits than its factorization.

550161551100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261981715 (or 261981708 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 550161551100 in words is "five hundred fifty billion, one hundred sixty-one million, five hundred fifty-one thousand, one hundred".