555050555406 has 64 divisors (see below), whose sum is σ = 1273630617600. Its totient is φ = 178992828000.

The previous prime is 555050555399. The next prime is 555050555453. The reversal of 555050555406 is 604555050555.

555050555406 is a `hidden beast` number, since 5 + 5 + 5 + 0 + 50 + 55 + 540 + 6 = 666.

It is a super-2 number, since 2×555050555406² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5506056 + ... + 5605956.

It is an arithmetic number, because the mean of its divisors is an integer number (19900478400).

Almost surely, 2^555050555406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555050555406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (636815308800).

555050555406 is an abundant number, since it is smaller than the sum of its proper divisors (718580062194).

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

555050555406 is a wasteful number, since it uses less digits than its factorization.

555050555406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103262 (or 103256 counting only the distinct ones).

The product of its (nonzero) digits is 1875000, while the sum is 45.

The spelling of 555050555406 in words is "five hundred fifty-five billion, fifty million, five hundred fifty-five thousand, four hundred six".