551119950 has 120 divisors (see below), whose sum is σ = 1569118320. Its totient is φ = 143337600.

The previous prime is 551119939. The next prime is 551119967. The reversal of 551119950 is 59911155.

551119950 is a `hidden beast` number, since 5 + 511 + 1 + 99 + 50 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 164391 + ... + 167709.

It is an arithmetic number, because the mean of its divisors is an integer number (13075986).

Almost surely, 2^551119950 is an apocalyptic number.

551119950 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 551119950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (784559160).

551119950 is an abundant number, since it is smaller than the sum of its proper divisors (1017998370).

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

551119950 is a wasteful number, since it uses less digits than its factorization.

551119950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3384 (or 3370 counting only the distinct ones).

The product of its (nonzero) digits is 10125, while the sum is 36.

The square root of 551119950 is about 23475.9440704735. The cubic root of 551119950 is about 819.8770140755.

The spelling of 551119950 in words is "five hundred fifty-one million, one hundred nineteen thousand, nine hundred fifty".