55576803512388 has 96 divisors (see below), whose sum is σ = 132325838459136. Its totient is φ = 18148587139072.

The previous prime is 55576803512387. The next prime is 55576803512431. The reversal of 55576803512388 is 88321530867555.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55576803512387) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1337793145 + ... + 1337834687.

It is an arithmetic number, because the mean of its divisors is an integer number (1378394150616).

Almost surely, 2^{55576803512388} is an apocalyptic number.

It is an amenable number.

55576803512388 is an abundant number, since it is smaller than the sum of its proper divisors (76749034946748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55576803512388 is a wasteful number, since it uses less digits than its factorization.

55576803512388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44733 (or 44731 counting only the distinct ones).

The product of its (nonzero) digits is 241920000, while the sum is 66.

The spelling of 55576803512388 in words is "fifty-five trillion, five hundred seventy-six billion, eight hundred three million, five hundred twelve thousand, three hundred eighty-eight".