55522161156386 has 4 divisors (see below), whose sum is σ = 83283241734582. Its totient is φ = 27761080578192.

The previous prime is 55522161156383. The next prime is 55522161156421. The reversal of 55522161156386 is 68365116122555.

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

It can be written as a sum of positive squares in only one way, i.e., 52825553798161 + 2696607358225 = 7268119^2 + 1642135^2 .

It is not an unprimeable number, because it can be changed into a prime (55522161156383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13880540289095 + ... + 13880540289098.

Almost surely, 2^{55522161156386} is an apocalyptic number.

55522161156386 is a deficient number, since it is larger than the sum of its proper divisors (27761080578196).

55522161156386 is a wasteful number, since it uses less digits than its factorization.

55522161156386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27761080578195.

The product of its digits is 12960000, while the sum is 56.

The spelling of 55522161156386 in words is "fifty-five trillion, five hundred twenty-two billion, one hundred sixty-one million, one hundred fifty-six thousand, three hundred eighty-six".