51208596 has 18 divisors (see below), whose sum is σ = 129444042. Its totient is φ = 17069520.

The previous prime is 51208589. The next prime is 51208627. The reversal of 51208596 is 69580215.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43086096 + 8122500 = 6564^2 + 2850^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 1422461 = 51208596 / (5 + 1 + 2 + 0 + 8 + 5 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 51208596.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 711195 + ... + 711266.

Almost surely, 2^51208596 is an apocalyptic number.

It is an amenable number.

51208596 is an abundant number, since it is smaller than the sum of its proper divisors (78235446).

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

51208596 is a wasteful number, since it uses less digits than its factorization.

51208596 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1422471 (or 1422466 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 51208596 is about 7156.0181665504. The cubic root of 51208596 is about 371.3478863062.

The spelling of 51208596 in words is "fifty-one million, two hundred eight thousand, five hundred ninety-six".