550511101050 has 96 divisors (see below), whose sum is σ = 1411966771200. Its totient is φ = 141860621760.

The previous prime is 550511100991. The next prime is 550511101117. The reversal of 550511101050 is 50101115055.

It is a super-2 number, since 2×550511101050² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 550511101050.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 62731 + ... + 1051169.

It is an arithmetic number, because the mean of its divisors is an integer number (14707987200).

Almost surely, 2^550511101050 is an apocalyptic number.

550511101050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 550511101050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705983385600).

550511101050 is an abundant number, since it is smaller than the sum of its proper divisors (861455670150).

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

550511101050 is a wasteful number, since it uses less digits than its factorization.

550511101050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 988580 (or 988575 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 24.

The spelling of 550511101050 in words is "five hundred fifty billion, five hundred eleven million, one hundred one thousand, fifty".