55743756571 has 4 divisors (see below), whose sum is σ = 55761066144. Its totient is φ = 55726447000.

The previous prime is 55743756569. The next prime is 55743756577. The reversal of 55743756571 is 17565734755.

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 55743756571 - 2¹ = 55743756569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55743756577) 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, 8649955 + ... + 8656396.

It is an arithmetic number, because the mean of its divisors is an integer number (13940266536).

Almost surely, 2^55743756571 is an apocalyptic number.

55743756571 is a deficient number, since it is larger than the sum of its proper divisors (17309573).

55743756571 is a wasteful number, since it uses less digits than its factorization.

55743756571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17309572.

The product of its digits is 15435000, while the sum is 55.

The spelling of 55743756571 in words is "fifty-five billion, seven hundred forty-three million, seven hundred fifty-six thousand, five hundred seventy-one".