51323077 has 8 divisors (see below), whose sum is σ = 55676376. Its totient is φ = 47027712.

The previous prime is 51323071. The next prime is 51323089. The reversal of 51323077 is 77032315.

It can be written as a sum of positive squares in 4 ways, for example, as 13549761 + 37773316 = 3681^2 + 6146^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-51323077 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51323071) 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 in 7 ways as a sum of consecutive naturals, for example, 12628 + ... + 16189.

It is an arithmetic number, because the mean of its divisors is an integer number (6959547).

Almost surely, 2^51323077 is an apocalyptic number.

It is an amenable number.

51323077 is a deficient number, since it is larger than the sum of its proper divisors (4353299).

51323077 is a wasteful number, since it uses less digits than its factorization.

51323077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28967.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 51323077 is about 7164.0126325963. The cubic root of 51323077 is about 371.6244065267.

The spelling of 51323077 in words is "fifty-one million, three hundred twenty-three thousand, seventy-seven".