51736577871 has 16 divisors (see below), whose sum is σ = 75271875840. Its totient is φ = 31347721920.

The previous prime is 51736577869. The next prime is 51736577897. The reversal of 51736577871 is 17877563715.

It is not a de Polignac number, because 51736577871 - 2¹ = 51736577869 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51736577861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58051 + ... + 326868.

It is an arithmetic number, because the mean of its divisors is an integer number (4704492240).

Almost surely, 2^51736577871 is an apocalyptic number.

51736577871 is a deficient number, since it is larger than the sum of its proper divisors (23535297969).

51736577871 is a wasteful number, since it uses less digits than its factorization.

51736577871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389006.

The product of its digits is 8643600, while the sum is 57.

The spelling of 51736577871 in words is "fifty-one billion, seven hundred thirty-six million, five hundred seventy-seven thousand, eight hundred seventy-one".