55761037271783 has 4 divisors (see below), whose sum is σ = 58695828707160. Its totient is φ = 52826245836408.

The previous prime is 55761037271717. The next prime is 55761037271809. The reversal of 55761037271783 is 38717273016755.

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

It is a de Polignac number, because none of the positive numbers 2^k-55761037271783 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 (55761037271183) 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, 1467395717660 + ... + 1467395717697.

It is an arithmetic number, because the mean of its divisors is an integer number (14673957176790).

Almost surely, 2^{55761037271783} is an apocalyptic number.

55761037271783 is a deficient number, since it is larger than the sum of its proper divisors (2934791435377).

55761037271783 is a wasteful number, since it uses less digits than its factorization.

55761037271783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2934791435376.

The product of its (nonzero) digits is 51861600, while the sum is 62.

The spelling of 55761037271783 in words is "fifty-five trillion, seven hundred sixty-one billion, thirty-seven million, two hundred seventy-one thousand, seven hundred eighty-three".