51285351348 has 144 divisors (see below), whose sum is σ = 165569040000. Its totient is φ = 12995942400.

The previous prime is 51285351331. The next prime is 51285351353. The reversal of 51285351348 is 84315358215.

51285351348 is a `hidden beast` number, since 5 + 12 + 85 + 3 + 513 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 111973 + ... + 339276.

It is an arithmetic number, because the mean of its divisors is an integer number (1149785000).

Almost surely, 2^51285351348 is an apocalyptic number.

It is an amenable number.

51285351348 is an abundant number, since it is smaller than the sum of its proper divisors (114283688652).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51285351348 is a wasteful number, since it uses less digits than its factorization.

51285351348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451318 (or 451313 counting only the distinct ones).

The product of its digits is 576000, while the sum is 45.

The spelling of 51285351348 in words is "fifty-one billion, two hundred eighty-five million, three hundred fifty-one thousand, three hundred forty-eight".