51908843703 has 4 divisors (see below), whose sum is σ = 69211791608. Its totient is φ = 34605895800.

The previous prime is 51908843671. The next prime is 51908843807. The reversal of 51908843703 is 30734880915.

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

It is not a de Polignac number, because 51908843703 - 2⁵ = 51908843671 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 (51908843303) 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, 8651473948 + ... + 8651473953.

It is an arithmetic number, because the mean of its divisors is an integer number (17302947902).

Almost surely, 2^51908843703 is an apocalyptic number.

51908843703 is a deficient number, since it is larger than the sum of its proper divisors (17302947905).

51908843703 is a wasteful number, since it uses less digits than its factorization.

51908843703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17302947904.

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 51908843703 in words is "fifty-one billion, nine hundred eight million, eight hundred forty-three thousand, seven hundred three".