51128596 has 12 divisors (see below), whose sum is σ = 89589780. Its totient is φ = 25531520.

The previous prime is 51128569. The next prime is 51128611. The reversal of 51128596 is 69582115.

It can be written as a sum of positive squares in 2 ways, for example, as 16483600 + 34644996 = 4060^2 + 5886^2 .

It is a super-2 number, since 2×51128596² = 5228266657862432, which contains 22 as substring.

It is a congruent number.

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, 4501 + ... + 11068.

It is an arithmetic number, because the mean of its divisors is an integer number (7465815).

Almost surely, 2^51128596 is an apocalyptic number.

It is an amenable number.

51128596 is a deficient number, since it is larger than the sum of its proper divisors (38461184).

51128596 is a wasteful number, since it uses less digits than its factorization.

51128596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16394 (or 16392 counting only the distinct ones).

The product of its digits is 21600, while the sum is 37.

The square root of 51128596 is about 7150.4262809989. The cubic root of 51128596 is about 371.1544076268.

The spelling of 51128596 in words is "fifty-one million, one hundred twenty-eight thousand, five hundred ninety-six".