5531661355 has 16 divisors (see below), whose sum is σ = 7242941664. Its totient is φ = 4022196480.

The previous prime is 5531661337. The next prime is 5531661361.

It is a happy number.

5531661355 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5531661355 - 2⁹ = 5531660843 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 417919 + ... + 430951.

It is an arithmetic number, because the mean of its divisors is an integer number (452683854).

Almost surely, 2^5531661355 is an apocalyptic number.

5531661355 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

5531661355 is a deficient number, since it is larger than the sum of its proper divisors (1711280309).

5531661355 is a wasteful number, since it uses less digits than its factorization.

5531661355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20766.

The product of its digits is 202500, while the sum is 40.

The square root of 5531661355 is about 74375.1393612140. The cubic root of 5531661355 is about 1768.5548286439.

The spelling of 5531661355 in words is "five billion, five hundred thirty-one million, six hundred sixty-one thousand, three hundred fifty-five".