55984710807619 has 32 divisors (see below), whose sum is σ = 63094871089152. Its totient is φ = 49213968768000.

The previous prime is 55984710807611. The next prime is 55984710807667. The reversal of 55984710807619 is 91670801748955.

It is a cyclic number.

It is not a de Polignac number, because 55984710807619 - 2³ = 55984710807611 is a prime.

It is a super-2 number, since 2×55984710807619² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55984710807611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3421830999 + ... + 3421847359.

It is an arithmetic number, because the mean of its divisors is an integer number (1971714721536).

Almost surely, 2^{55984710807619} is an apocalyptic number.

55984710807619 is a deficient number, since it is larger than the sum of its proper divisors (7110160281533).

55984710807619 is a wasteful number, since it uses less digits than its factorization.

55984710807619 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23827.

The product of its (nonzero) digits is 152409600, while the sum is 70.

The spelling of 55984710807619 in words is "fifty-five trillion, nine hundred eighty-four billion, seven hundred ten million, eight hundred seven thousand, six hundred nineteen".