550050055550 has 24 divisors (see below), whose sum is σ = 1023203151432. Its totient is φ = 219996356000.

The previous prime is 550050055531. The next prime is 550050055579. The reversal of 550050055550 is 55550050055.

It is a super-2 number, since 2×550050055550² (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 550050055550.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118421 + ... + 1055520.

It is an arithmetic number, because the mean of its divisors is an integer number (42633464643).

Almost surely, 2^550050055550 is an apocalyptic number.

550050055550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

550050055550 is a deficient number, since it is larger than the sum of its proper divisors (473153095882).

550050055550 is a wasteful number, since it uses less digits than its factorization.

550050055550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1183324 (or 1183319 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 550050055550 in words is "five hundred fifty billion, fifty million, fifty-five thousand, five hundred fifty".