55306547331 has 16 divisors (see below), whose sum is σ = 84284957184. Its totient is φ = 31600623744.

The previous prime is 55306547323. The next prime is 55306547357. The reversal of 55306547331 is 13374560355.

It is not a de Polignac number, because 55306547331 - 2³ = 55306547323 is a prime.

It is a super-2 number, since 2×55306547331² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55306547531) 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, 97291 + ... + 346523.

It is an arithmetic number, because the mean of its divisors is an integer number (5267809824).

Almost surely, 2^55306547331 is an apocalyptic number.

55306547331 is a deficient number, since it is larger than the sum of its proper divisors (28978409853).

55306547331 is a wasteful number, since it uses less digits than its factorization.

55306547331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259810.

The product of its (nonzero) digits is 567000, while the sum is 42.

The spelling of 55306547331 in words is "fifty-five billion, three hundred six million, five hundred forty-seven thousand, three hundred thirty-one".