550405550135 has 32 divisors (see below), whose sum is σ = 800635968000. Its totient is φ = 354827191680.

The previous prime is 550405550131. The next prime is 550405550143. The reversal of 550405550135 is 531055504055.

It is a happy number.

It is not a de Polignac number, because 550405550135 - 2² = 550405550131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550405550131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3071960 + ... + 3246189.

It is an arithmetic number, because the mean of its divisors is an integer number (25019874000).

Almost surely, 2^550405550135 is an apocalyptic number.

550405550135 is a deficient number, since it is larger than the sum of its proper divisors (250230417865).

550405550135 is a wasteful number, since it uses less digits than its factorization.

550405550135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6318311.

The product of its (nonzero) digits is 187500, while the sum is 38.

The spelling of 550405550135 in words is "five hundred fifty billion, four hundred five million, five hundred fifty thousand, one hundred thirty-five".