55053381811538 has 16 divisors (see below), whose sum is σ = 90744923973024. Its totient is φ = 24841605593760.

The previous prime is 55053381811537. The next prime is 55053381811613. The reversal of 55053381811538 is 83511818335055.

It is not an unprimeable number, because it can be changed into a prime (55053381811531) 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 7 ways as a sum of consecutive naturals, for example, 9132940220 + ... + 9132946247.

It is an arithmetic number, because the mean of its divisors is an integer number (5671557748314).

Almost surely, 2^{55053381811538} is an apocalyptic number.

55053381811538 is a deficient number, since it is larger than the sum of its proper divisors (35691542161486).

55053381811538 is a wasteful number, since it uses less digits than its factorization.

55053381811538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18265886617.

The product of its (nonzero) digits is 8640000, while the sum is 56.

The spelling of 55053381811538 in words is "fifty-five trillion, fifty-three billion, three hundred eighty-one million, eight hundred eleven thousand, five hundred thirty-eight".