55003780442913 has 16 divisors (see below), whose sum is σ = 73376791742016. Its totient is φ = 36649978908480.

The previous prime is 55003780442909. The next prime is 55003780442969. The reversal of 55003780442913 is 31924408730055.

It is not a de Polignac number, because 55003780442913 - 2² = 55003780442909 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55003780442213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363775818 + ... + 363926988.

It is an arithmetic number, because the mean of its divisors is an integer number (4586049483876).

Almost surely, 2^{55003780442913} is an apocalyptic number.

It is an amenable number.

55003780442913 is a deficient number, since it is larger than the sum of its proper divisors (18373011299103).

55003780442913 is a wasteful number, since it uses less digits than its factorization.

55003780442913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213904.

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 55003780442913 in words is "fifty-five trillion, three billion, seven hundred eighty million, four hundred forty-two thousand, nine hundred thirteen".