5556777331 has 16 divisors (see below), whose sum is σ = 6497280000. Its totient is φ = 4750403784.

The previous prime is 5556777293. The next prime is 5556777337. The reversal of 5556777331 is 1337776555.

It is not a de Polignac number, because 5556777331 - 2¹³ = 5556769139 is a prime.

It is a super-2 number, since 2×5556777331² = 61755548612630967122, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5556777337) 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, 110220 + ... + 152518.

It is an arithmetic number, because the mean of its divisors is an integer number (406080000).

Almost surely, 2^5556777331 is an apocalyptic number.

5556777331 is a deficient number, since it is larger than the sum of its proper divisors (940502669).

5556777331 is an equidigital number, since it uses as much as digits as its factorization.

5556777331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42703 (or 42689 counting only the distinct ones).

The product of its digits is 2315250, while the sum is 49.

The square root of 5556777331 is about 74543.7947182728. The cubic root of 5556777331 is about 1771.2274388025.

The spelling of 5556777331 in words is "five billion, five hundred fifty-six million, seven hundred seventy-seven thousand, three hundred thirty-one".