51936877607 has 4 divisors (see below), whose sum is σ = 52017651000. Its totient is φ = 51856104216.

The previous prime is 51936877591. The next prime is 51936877627. The reversal of 51936877607 is 70677863915.

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 51936877607 - 2⁴ = 51936877591 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 (51936877627) 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, 40385732 + ... + 40387017.

It is an arithmetic number, because the mean of its divisors is an integer number (13004412750).

Almost surely, 2^51936877607 is an apocalyptic number.

51936877607 is a deficient number, since it is larger than the sum of its proper divisors (80773393).

51936877607 is an equidigital number, since it uses as much as digits as its factorization.

51936877607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80773392.

The product of its (nonzero) digits is 13335840, while the sum is 59.

The spelling of 51936877607 in words is "fifty-one billion, nine hundred thirty-six million, eight hundred seventy-seven thousand, six hundred seven".