55126375543 has 4 divisors (see below), whose sum is σ = 55132711168. Its totient is φ = 55120039920.

The previous prime is 55126375501. The next prime is 55126375547. The reversal of 55126375543 is 34557362155.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55126375543 - 2²⁹ = 54589504631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55126375493 and 55126375502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55126375547) 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, 3154743 + ... + 3172168.

It is an arithmetic number, because the mean of its divisors is an integer number (13783177792).

Almost surely, 2^55126375543 is an apocalyptic number.

55126375543 is a deficient number, since it is larger than the sum of its proper divisors (6335625).

55126375543 is an equidigital number, since it uses as much as digits as its factorization.

55126375543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335624.

The product of its digits is 1890000, while the sum is 46.

The spelling of 55126375543 in words is "fifty-five billion, one hundred twenty-six million, three hundred seventy-five thousand, five hundred forty-three".