51977704 has 16 divisors (see below), whose sum is σ = 103191300. Its totient is φ = 24460032.

The previous prime is 51977699. The next prime is 51977707. The reversal of 51977704 is 40777915.

51977704 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 51868804 + 108900 = 7202^2 + 330^2 .

It is a super-2 number, since 2×51977704² = 5403363426223232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51977707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190959 + ... + 191230.

Almost surely, 2^51977704 is an apocalyptic number.

It is an amenable number.

51977704 is a deficient number, since it is larger than the sum of its proper divisors (51213596).

51977704 is a wasteful number, since it uses less digits than its factorization.

51977704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382212 (or 382208 counting only the distinct ones).

The product of its (nonzero) digits is 61740, while the sum is 40.

The square root of 51977704 is about 7209.5564357317. The cubic root of 51977704 is about 373.1977618576.

The spelling of 51977704 in words is "fifty-one million, nine hundred seventy-seven thousand, seven hundred four".