51352769848 has 8 divisors (see below), whose sum is σ = 96286443480. Its totient is φ = 25676384920.

The previous prime is 51352769833. The next prime is 51352769851. The reversal of 51352769848 is 84896725315.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 51352769792 and 51352769801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3209548108 + ... + 3209548123.

It is an arithmetic number, because the mean of its divisors is an integer number (12035805435).

Almost surely, 2^51352769848 is an apocalyptic number.

It is an amenable number.

51352769848 is a deficient number, since it is larger than the sum of its proper divisors (44933673632).

51352769848 is a wasteful number, since it uses less digits than its factorization.

51352769848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419096237 (or 6419096233 counting only the distinct ones).

The product of its digits is 14515200, while the sum is 58.

The spelling of 51352769848 in words is "fifty-one billion, three hundred fifty-two million, seven hundred sixty-nine thousand, eight hundred forty-eight".