550500909555 has 16 divisors (see below), whose sum is σ = 889522264224. Its totient is φ = 290693548800.

The previous prime is 550500909551. The next prime is 550500909559. The reversal of 550500909555 is 555909005055.

It is an interprime number because it is at equal distance from previous prime (550500909551) and next prime (550500909559).

It is not a de Polignac number, because 550500909555 - 2² = 550500909551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (550500909551) 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, 181681954 + ... + 181684983.

It is an arithmetic number, because the mean of its divisors is an integer number (55595141514).

Almost surely, 2^550500909555 is an apocalyptic number.

550500909555 is a deficient number, since it is larger than the sum of its proper divisors (339021354669).

550500909555 is a wasteful number, since it uses less digits than its factorization.

550500909555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363367046.

The product of its (nonzero) digits is 1265625, while the sum is 48.

The spelling of 550500909555 in words is "five hundred fifty billion, five hundred million, nine hundred nine thousand, five hundred fifty-five".