550540455 has 16 divisors (see below), whose sum is σ = 885790080. Its totient is φ = 291979808.

The previous prime is 550540423. The next prime is 550540483. The reversal of 550540455 is 554045055.

It is a cyclic number.

It is not a de Polignac number, because 550540455 - 2⁵ = 550540423 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99837 + ... + 105206.

It is an arithmetic number, because the mean of its divisors is an integer number (55361880).

Almost surely, 2^550540455 is an apocalyptic number.

550540455 is a deficient number, since it is larger than the sum of its proper divisors (335249625).

550540455 is a wasteful number, since it uses less digits than its factorization.

550540455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205230.

The product of its (nonzero) digits is 50000, while the sum is 33.

The square root of 550540455 is about 23463.5985091801. The cubic root of 550540455 is about 819.5895501860.

The spelling of 550540455 in words is "five hundred fifty million, five hundred forty thousand, four hundred fifty-five".