550357655 has 4 divisors (see below), whose sum is σ = 660429192. Its totient is φ = 440286120.

The previous prime is 550357651. The next prime is 550357669. The reversal of 550357655 is 556753055.

It is a happy number.

550357655 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 556753055 = 5 ⋅111350611.

It is not a de Polignac number, because 550357655 - 2² = 550357651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550357651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55035761 + ... + 55035770.

It is an arithmetic number, because the mean of its divisors is an integer number (165107298).

Almost surely, 2^550357655 is an apocalyptic number.

550357655 is a deficient number, since it is larger than the sum of its proper divisors (110071537).

550357655 is a wasteful number, since it uses less digits than its factorization.

550357655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110071536.

The product of its (nonzero) digits is 393750, while the sum is 41.

The square root of 550357655 is about 23459.7027901037. The cubic root of 550357655 is about 819.4988286938.

The spelling of 550357655 in words is "five hundred fifty million, three hundred fifty-seven thousand, six hundred fifty-five".