550500155598 has 32 divisors (see below), whose sum is σ = 1165882740480. Its totient is φ = 172688493440.

The previous prime is 550500155563. The next prime is 550500155599. The reversal of 550500155598 is 895551005055.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550500155599) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 761863 + ... + 1296701.

It is an arithmetic number, because the mean of its divisors is an integer number (36433835640).

Almost surely, 2^550500155598 is an apocalyptic number.

550500155598 is an abundant number, since it is smaller than the sum of its proper divisors (615382584882).

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

550500155598 is a wasteful number, since it uses less digits than its factorization.

550500155598 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544952.

The product of its (nonzero) digits is 1125000, while the sum is 48.

The spelling of 550500155598 in words is "five hundred fifty billion, five hundred million, one hundred fifty-five thousand, five hundred ninety-eight".