550456555 has 16 divisors (see below), whose sum is σ = 723276288. Its totient is φ = 398844000.

The previous prime is 550456537. The next prime is 550456559. The reversal of 550456555 is 555654055.

It is not a de Polignac number, because 550456555 - 2¹³ = 550448363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (550456559) 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, 3561 + ... + 33370.

It is an arithmetic number, because the mean of its divisors is an integer number (45204768).

Almost surely, 2^550456555 is an apocalyptic number.

550456555 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550456555 is a deficient number, since it is larger than the sum of its proper divisors (172819733).

550456555 is a wasteful number, since it uses less digits than its factorization.

550456555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37218.

The product of its (nonzero) digits is 375000, while the sum is 40.

The square root of 550456555 is about 23461.8105652569. The cubic root of 550456555 is about 819.5479140955.

The spelling of 550456555 in words is "five hundred fifty million, four hundred fifty-six thousand, five hundred fifty-five".