51012748 has 6 divisors (see below), whose sum is σ = 89272316. Its totient is φ = 25506372.

The previous prime is 51012697. The next prime is 51012761. The reversal of 51012748 is 84721015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6376590 + ... + 6376597.

Almost surely, 2^51012748 is an apocalyptic number.

It is an amenable number.

51012748 is a deficient number, since it is larger than the sum of its proper divisors (38259568).

51012748 is a wasteful number, since it uses less digits than its factorization.

51012748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12753191 (or 12753189 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 51012748 is about 7142.3209113005. The cubic root of 51012748 is about 370.8738730863.

The spelling of 51012748 in words is "fifty-one million, twelve thousand, seven hundred forty-eight".