55369626919929 has 27 divisors (see below), whose sum is σ = 93036302355087. Its totient is φ = 31639697518464.

The previous prime is 55369626919921. The next prime is 55369626919967. The reversal of 55369626919929 is 92991962696355.

The square root of 55369626919929 is 7441077.

It is a perfect power (a square), and thus also a powerful number.

55369626919929 is a `hidden beast` number, since 5 + 5 + 369 + 6 + 2 + 69 + 199 + 2 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 3520295300025 + 51849331619904 = 1876245^2 + 7200648^2 .

It is not a de Polignac number, because 55369626919929 - 2³ = 55369626919921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55369626919921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 156085449 + ... + 156439785.

Almost surely, 2^{55369626919929} is an apocalyptic number.

55369626919929 is the 7441077-th square number.

55369626919929 is the 3720539-th centered octagonal number.

It is an amenable number.

55369626919929 is a deficient number, since it is larger than the sum of its proper divisors (37666675435158).

55369626919929 is an frugal number, since it uses more digits than its factorization.

55369626919929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708694 (or 354347 counting only the distinct ones).

The product of its digits is 3826375200, while the sum is 81.

The spelling of 55369626919929 in words is "fifty-five trillion, three hundred sixty-nine billion, six hundred twenty-six million, nine hundred nineteen thousand, nine hundred twenty-nine".