55137826743 has 4 divisors (see below), whose sum is σ = 73517102328. Its totient is φ = 36758551160.

The previous prime is 55137826717. The next prime is 55137826769. The reversal of 55137826743 is 34762873155.

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

It is an interprime number because it is at equal distance from previous prime (55137826717) and next prime (55137826769).

It is a cyclic number.

It is not a de Polignac number, because 55137826743 - 2⁸ = 55137826487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55137826043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9189637788 + ... + 9189637793.

It is an arithmetic number, because the mean of its divisors is an integer number (18379275582).

Almost surely, 2^55137826743 is an apocalyptic number.

55137826743 is a deficient number, since it is larger than the sum of its proper divisors (18379275585).

55137826743 is a wasteful number, since it uses less digits than its factorization.

55137826743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18379275584.

The product of its digits is 4233600, while the sum is 51.

The spelling of 55137826743 in words is "fifty-five billion, one hundred thirty-seven million, eight hundred twenty-six thousand, seven hundred forty-three".