51775708 has 6 divisors (see below), whose sum is σ = 90607496. Its totient is φ = 25887852.

The previous prime is 51775697. The next prime is 51775709. The reversal of 51775708 is 80757715.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51775709) by changing a digit.

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 as a sum of consecutive naturals, namely, 6471960 + ... + 6471967.

Almost surely, 2^51775708 is an apocalyptic number.

It is an amenable number.

51775708 is a deficient number, since it is larger than the sum of its proper divisors (38831788).

51775708 is a wasteful number, since it uses less digits than its factorization.

51775708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12943931 (or 12943929 counting only the distinct ones).

The product of its (nonzero) digits is 68600, while the sum is 40.

The square root of 51775708 is about 7195.5338926309. The cubic root of 51775708 is about 372.7136932806.

The spelling of 51775708 in words is "fifty-one million, seven hundred seventy-five thousand, seven hundred eight".