55705102178 has 32 divisors (see below), whose sum is σ = 92327884992. Its totient is φ = 24996160000.

The previous prime is 55705102171. The next prime is 55705102183. The reversal of 55705102178 is 87120150755.

It is a super-2 number, since 2×55705102178² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55705102171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 579350 + ... + 668622.

It is an arithmetic number, because the mean of its divisors is an integer number (2885246406).

Almost surely, 2^55705102178 is an apocalyptic number.

55705102178 is a deficient number, since it is larger than the sum of its proper divisors (36622782814).

55705102178 is a wasteful number, since it uses less digits than its factorization.

55705102178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89650.

The product of its (nonzero) digits is 98000, while the sum is 41.

The spelling of 55705102178 in words is "fifty-five billion, seven hundred five million, one hundred two thousand, one hundred seventy-eight".