551110050 has 72 divisors (see below), whose sum is σ = 1484676180. Its totient is φ = 146563200.

The previous prime is 551110031. The next prime is 551110073. The reversal of 551110050 is 50011155.

551110050 is a `hidden beast` number, since 5 + 511 + 100 + 50 = 666.

It can be written as a sum of positive squares in 6 ways, for example, as 122744241 + 428365809 = 11079^2 + 20697^2 .

It is a super-2 number, since 2×551110050² = 607444574422005000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 187996 + ... + 190904.

Almost surely, 2^551110050 is an apocalyptic number.

551110050 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 551110050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (742338090).

551110050 is an abundant number, since it is smaller than the sum of its proper divisors (933566130).

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

551110050 is a wasteful number, since it uses less digits than its factorization.

551110050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3348 (or 3340 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 18.

The square root of 551110050 is about 23475.7332153865. The cubic root of 551110050 is about 819.8721047806.

The spelling of 551110050 in words is "five hundred fifty-one million, one hundred ten thousand, fifty".