55355168701850 has 24 divisors (see below), whose sum is σ = 103312015225020. Its totient is φ = 22066497278720.

The previous prime is 55355168701843. The next prime is 55355168701957. The reversal of 55355168701850 is 5810786155355.

It can be written as a sum of positive squares in 6 ways, for example, as 15702745603561 + 39652423098289 = 3962669^2 + 6297017^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 55355168701850.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1889240255 + ... + 1889269554.

Almost surely, 2^{55355168701850} is an apocalyptic number.

55355168701850 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55355168701850 is a deficient number, since it is larger than the sum of its proper divisors (47956846523170).

55355168701850 is a wasteful number, since it uses less digits than its factorization.

55355168701850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3778510114 (or 3778510109 counting only the distinct ones).

The product of its (nonzero) digits is 25200000, while the sum is 59.

The spelling of 55355168701850 in words is "fifty-five trillion, three hundred fifty-five billion, one hundred sixty-eight million, seven hundred one thousand, eight hundred fifty".