51064528 has 10 divisors (see below), whose sum is σ = 98937554. Its totient is φ = 25532256.

The previous prime is 51064523. The next prime is 51064529. The reversal of 51064528 is 82546015.

It can be written as a sum of positive squares in only one way, i.e., 39037504 + 12027024 = 6248^2 + 3468^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 51064528.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51064523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1595751 + ... + 1595782.

Almost surely, 2^51064528 is an apocalyptic number.

It is an amenable number.

51064528 is a deficient number, since it is larger than the sum of its proper divisors (47873026).

51064528 is a wasteful number, since it uses less digits than its factorization.

51064528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3191541 (or 3191535 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 51064528 is about 7145.9448640470. The cubic root of 51064528 is about 370.9993146409. Note that the first 3 decimals are identical.

The spelling of 51064528 in words is "fifty-one million, sixty-four thousand, five hundred twenty-eight".