55038351871837 has 4 divisors (see below), whose sum is σ = 55038367272636. Its totient is φ = 55038336471040.

The previous prime is 55038351871813. The next prime is 55038351871873. The reversal of 55038351871837 is 73817815383055.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2994045369561 + 52044306502276 = 1730331^2 + 7214174^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55038351871837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55038321871837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755037 + ... + 10518877.

It is an arithmetic number, because the mean of its divisors is an integer number (13759591818159).

Almost surely, 2^{55038351871837} is an apocalyptic number.

It is an amenable number.

55038351871837 is a deficient number, since it is larger than the sum of its proper divisors (15400799).

55038351871837 is an equidigital number, since it uses as much as digits as its factorization.

55038351871837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15400798.

The product of its (nonzero) digits is 84672000, while the sum is 64.

The spelling of 55038351871837 in words is "fifty-five trillion, thirty-eight billion, three hundred fifty-one million, eight hundred seventy-one thousand, eight hundred thirty-seven".