51798608 has 10 divisors (see below), whose sum is σ = 100359834. Its totient is φ = 25899296.

The previous prime is 51798583. The next prime is 51798647. The reversal of 51798608 is 80689715.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 46076944 + 5721664 = 6788^2 + 2392^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1618691 + ... + 1618722.

Almost surely, 2^51798608 is an apocalyptic number.

It is an amenable number.

51798608 is a deficient number, since it is larger than the sum of its proper divisors (48561226).

51798608 is a wasteful number, since it uses less digits than its factorization.

51798608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237421 (or 3237415 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 51798608 is about 7197.1249815465. The cubic root of 51798608 is about 372.7686346542.

The spelling of 51798608 in words is "fifty-one million, seven hundred ninety-eight thousand, six hundred eight".