55057881842136 has 32 divisors (see below), whose sum is σ = 152938560673200. Its totient is φ = 18352627280640.

The previous prime is 55057881842123. The next prime is 55057881842239. The reversal of 55057881842136 is 63124818875055.

It is a happy number.

55057881842136 is a `hidden beast` number, since 5 + 5 + 0 + 578 + 8 + 1 + 8 + 4 + 21 + 36 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127448800345 + ... + 127448800776.

Almost surely, 2^{55057881842136} is an apocalyptic number.

It is an amenable number.

55057881842136 is an abundant number, since it is smaller than the sum of its proper divisors (97880678831064).

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

55057881842136 is a wasteful number, since it uses less digits than its factorization.

55057881842136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254897601136 (or 254897601126 counting only the distinct ones).

The product of its (nonzero) digits is 64512000, while the sum is 63.

The spelling of 55057881842136 in words is "fifty-five trillion, fifty-seven billion, eight hundred eighty-one million, eight hundred forty-two thousand, one hundred thirty-six".