5550747771 has 4 divisors (see below), whose sum is σ = 7400997032. Its totient is φ = 3700498512.

The previous prime is 5550747767. The next prime is 5550747773. The reversal of 5550747771 is 1777470555.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 5550747771 - 2² = 5550747767 is a prime.

It is a super-2 number, since 2×5550747771² = 61621601634522936882, which contains 22 as substring.

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 5550747771.

It is not an unprimeable number, because it can be changed into a prime (5550747773) 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, 925124626 + ... + 925124631.

It is an arithmetic number, because the mean of its divisors is an integer number (1850249258).

Almost surely, 2^5550747771 is an apocalyptic number.

5550747771 is a deficient number, since it is larger than the sum of its proper divisors (1850249261).

5550747771 is a wasteful number, since it uses less digits than its factorization.

5550747771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850249260.

The product of its (nonzero) digits is 1200500, while the sum is 48.

The square root of 5550747771 is about 74503.3406700666. The cubic root of 5550747771 is about 1770.5865645090.

The spelling of 5550747771 in words is "five billion, five hundred fifty million, seven hundred forty-seven thousand, seven hundred seventy-one".