55136620719937 has 4 divisors (see below), whose sum is σ = 55959555357616. Its totient is φ = 54313686082260.

The previous prime is 55136620719839. The next prime is 55136620720039. The reversal of 55136620719937 is 73991702663155.

55136620719937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55136620719937 - 2⁴³ = 46340527697729 is a prime.

It is a super-2 number, since 2×55136620719937² (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 (55136620719437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411467318739 + ... + 411467318872.

It is an arithmetic number, because the mean of its divisors is an integer number (13989888839404).

Almost surely, 2^{55136620719937} is an apocalyptic number.

It is an amenable number.

55136620719937 is a deficient number, since it is larger than the sum of its proper divisors (822934637679).

55136620719937 is an equidigital number, since it uses as much as digits as its factorization.

55136620719937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 822934637678.

The product of its (nonzero) digits is 64297800, while the sum is 64.

The spelling of 55136620719937 in words is "fifty-five trillion, one hundred thirty-six billion, six hundred twenty million, seven hundred nineteen thousand, nine hundred thirty-seven".