55330312361 has 16 divisors (see below), whose sum is σ = 56801953728. Its totient is φ = 53877595200.

The previous prime is 55330312313. The next prime is 55330312409. The reversal of 55330312361 is 16321303355.

It is an interprime number because it is at equal distance from previous prime (55330312313) and next prime (55330312409).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55330312361 is a prime.

It is a super-2 number, since 2×55330312361² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55330392361) by changing a digit.

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, 18672266 + ... + 18675228.

It is an arithmetic number, because the mean of its divisors is an integer number (3550122108).

Almost surely, 2^55330312361 is an apocalyptic number.

It is an amenable number.

55330312361 is a deficient number, since it is larger than the sum of its proper divisors (1471641367).

55330312361 is a wasteful number, since it uses less digits than its factorization.

55330312361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5992.

The product of its (nonzero) digits is 24300, while the sum is 32.

The spelling of 55330312361 in words is "fifty-five billion, three hundred thirty million, three hundred twelve thousand, three hundred sixty-one".