51280748 has 24 divisors (see below), whose sum is σ = 92494080. Its totient is φ = 24865920.

The previous prime is 51280741. The next prime is 51280751. The reversal of 51280748 is 84708215.

It is not an unprimeable number, because it can be changed into a prime (51280741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16373 + ... + 19251.

It is an arithmetic number, because the mean of its divisors is an integer number (3853920).

Almost surely, 2^51280748 is an apocalyptic number.

It is an amenable number.

51280748 is a deficient number, since it is larger than the sum of its proper divisors (41213332).

51280748 is a wasteful number, since it uses less digits than its factorization.

51280748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3017 (or 3015 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 51280748 is about 7161.0577430991. The cubic root of 51280748 is about 371.5222119779.

The spelling of 51280748 in words is "fifty-one million, two hundred eighty thousand, seven hundred forty-eight".