51155324576 has 24 divisors (see below), whose sum is σ = 106012680480. Its totient is φ = 24231469248.

The previous prime is 51155324551. The next prime is 51155324629. The reversal of 51155324576 is 67542355115.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42067916 + ... + 42069131.

It is an arithmetic number, because the mean of its divisors is an integer number (4417195020).

Almost surely, 2^51155324576 is an apocalyptic number.

It is an amenable number.

51155324576 is an abundant number, since it is smaller than the sum of its proper divisors (54857355904).

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

51155324576 is a wasteful number, since it uses less digits than its factorization.

51155324576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84137076 (or 84137068 counting only the distinct ones).

The product of its digits is 630000, while the sum is 44.

The spelling of 51155324576 in words is "fifty-one billion, one hundred fifty-five million, three hundred twenty-four thousand, five hundred seventy-six".