550077571 has 12 divisors (see below), whose sum is σ = 561677592. Its totient is φ = 538705728.

The previous prime is 550077529. The next prime is 550077587. The reversal of 550077571 is 175770055.

It is not a de Polignac number, because 550077571 - 2¹³ = 550069379 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 550077571.

It is not an unprimeable number, because it can be changed into a prime (550077511) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1270171 + ... + 1270603.

It is an arithmetic number, because the mean of its divisors is an integer number (46806466).

Almost surely, 2^550077571 is an apocalyptic number.

550077571 is a deficient number, since it is larger than the sum of its proper divisors (11600021).

550077571 is an equidigital number, since it uses as much as digits as its factorization.

550077571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 42875, while the sum is 37.

The square root of 550077571 is about 23453.7325600852. The cubic root of 550077571 is about 819.3597873174.

The spelling of 550077571 in words is "five hundred fifty million, seventy-seven thousand, five hundred seventy-one".