55372650317 has 2 divisors, whose sum is σ = 55372650318. Its totient is φ = 55372650316.

The previous prime is 55372650299. The next prime is 55372650343. The reversal of 55372650317 is 71305627355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45087850921 + 10284799396 = 212339^2 + 101414^2 .

It is a cyclic number.

It is not a de Polignac number, because 55372650317 - 2⁸ = 55372650061 is a prime.

It is a super-2 number, since 2×55372650317² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55372650017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27686325158 + 27686325159.

It is an arithmetic number, because the mean of its divisors is an integer number (27686325159).

Almost surely, 2^55372650317 is an apocalyptic number.

It is an amenable number.

55372650317 is a deficient number, since it is larger than the sum of its proper divisors (1).

55372650317 is an equidigital number, since it uses as much as digits as its factorization.

55372650317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 661500, while the sum is 44.

The spelling of 55372650317 in words is "fifty-five billion, three hundred seventy-two million, six hundred fifty thousand, three hundred seventeen".