551100610550 has 48 divisors (see below), whose sum is σ = 1209272220672. Its totient is φ = 182853655200.

The previous prime is 551100610469. The next prime is 551100610561. The reversal of 551100610550 is 55016001155.

It is a happy number.

551100610550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 25385492 + ... + 25407191.

It is an arithmetic number, because the mean of its divisors is an integer number (25193171264).

Almost surely, 2^551100610550 is an apocalyptic number.

551100610550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

551100610550 is an abundant number, since it is smaller than the sum of its proper divisors (658171610122).

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

551100610550 is a wasteful number, since it uses less digits than its factorization.

551100610550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50792733 (or 50792728 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 29.

The spelling of 551100610550 in words is "five hundred fifty-one billion, one hundred million, six hundred ten thousand, five hundred fifty".