55196612190719 has 4 divisors (see below), whose sum is σ = 55213748677080. Its totient is φ = 55179475704360.

The previous prime is 55196612190701. The next prime is 55196612190721. The reversal of 55196612190719 is 91709121669155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55196612190719 - 2⁴⁰ = 54097100562943 is a prime.

It is a super-2 number, since 2×55196612190719² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55196612190799) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8568238349 + ... + 8568244790.

It is an arithmetic number, because the mean of its divisors is an integer number (13803437169270).

Almost surely, 2^{55196612190719} is an apocalyptic number.

55196612190719 is a deficient number, since it is larger than the sum of its proper divisors (17136486361).

55196612190719 is a wasteful number, since it uses less digits than its factorization.

55196612190719 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17136486360.

The product of its (nonzero) digits is 9185400, while the sum is 62.

The spelling of 55196612190719 in words is "fifty-five trillion, one hundred ninety-six billion, six hundred twelve million, one hundred ninety thousand, seven hundred nineteen".