51072528 has 40 divisors (see below), whose sum is σ = 142088128. Its totient is φ = 15714432.

The previous prime is 51072517. The next prime is 51072533. The reversal of 51072528 is 82527015.

It is a junction number, because it is equal to n+sod(n) for n = 51072495 and 51072504.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40300 + ... + 41547.

Almost surely, 2^51072528 is an apocalyptic number.

It is an amenable number.

51072528 is an abundant number, since it is smaller than the sum of its proper divisors (91015600).

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

51072528 is a wasteful number, since it uses less digits than its factorization.

51072528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81871 (or 81865 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 30.

The square root of 51072528 is about 7146.5046001524. The cubic root of 51072528 is about 371.0186877730.

The spelling of 51072528 in words is "fifty-one million, seventy-two thousand, five hundred twenty-eight".