51675685848 has 96 divisors (see below), whose sum is σ = 147829693440. Its totient is φ = 16281881280.

The previous prime is 51675685823. The next prime is 51675685871. The reversal of 51675685848 is 84858657615.

51675685848 is a `hidden beast` number, since 5 + 1 + 67 + 568 + 5 + 8 + 4 + 8 = 666.

It is a super-2 number, since 2×51675685848² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 173236 + ... + 365187.

It is an arithmetic number, because the mean of its divisors is an integer number (1539892640).

Almost surely, 2^51675685848 is an apocalyptic number.

It is an amenable number.

51675685848 is an abundant number, since it is smaller than the sum of its proper divisors (96154007592).

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

51675685848 is a wasteful number, since it uses less digits than its factorization.

51675685848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538509 (or 538502 counting only the distinct ones).

The product of its digits is 64512000, while the sum is 63.

The spelling of 51675685848 in words is "fifty-one billion, six hundred seventy-five million, six hundred eighty-five thousand, eight hundred forty-eight".