550313555 has 16 divisors (see below), whose sum is σ = 721453824. Its totient is φ = 399648480.

The previous prime is 550313551. The next prime is 550313563. The reversal of 550313555 is 555313055.

It is not a de Polignac number, because 550313555 - 2² = 550313551 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550313551) 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, 33104 + ... + 46866.

It is an arithmetic number, because the mean of its divisors is an integer number (45090864).

Almost surely, 2^550313555 is an apocalyptic number.

550313555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550313555 is a deficient number, since it is larger than the sum of its proper divisors (171140269).

550313555 is a wasteful number, since it uses less digits than its factorization.

550313555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14506.

The product of its (nonzero) digits is 28125, while the sum is 32.

The square root of 550313555 is about 23458.7628616686. The cubic root of 550313555 is about 819.4769393743.

The spelling of 550313555 in words is "five hundred fifty million, three hundred thirteen thousand, five hundred fifty-five".