51275788 has 12 divisors (see below), whose sum is σ = 89895960. Its totient is φ = 25591232.

The previous prime is 51275771. The next prime is 51275797. The reversal of 51275788 is 88757215.

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, 9133 + ... + 13636.

It is an arithmetic number, because the mean of its divisors is an integer number (7491330).

Almost surely, 2^51275788 is an apocalyptic number.

It is an amenable number.

51275788 is a deficient number, since it is larger than the sum of its proper divisors (38620172).

51275788 is a wasteful number, since it uses less digits than its factorization.

51275788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23336 (or 23334 counting only the distinct ones).

The product of its digits is 156800, while the sum is 43.

The square root of 51275788 is about 7160.7114171708. The cubic root of 51275788 is about 371.5102334111.

The spelling of 51275788 in words is "fifty-one million, two hundred seventy-five thousand, seven hundred eighty-eight".