51073087 has 8 divisors (see below), whose sum is σ = 57393504. Its totient is φ = 45094368.

The previous prime is 51073081. The next prime is 51073091. The reversal of 51073087 is 78037015.

51073087 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 51073087 - 2¹¹ = 51071039 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 (51073081) 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 7 ways as a sum of consecutive naturals, for example, 85108 + ... + 85705.

It is an arithmetic number, because the mean of its divisors is an integer number (7174188).

Almost surely, 2^51073087 is an apocalyptic number.

51073087 is a deficient number, since it is larger than the sum of its proper divisors (6320417).

51073087 is a wasteful number, since it uses less digits than its factorization.

51073087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170849.

The product of its (nonzero) digits is 5880, while the sum is 31.

The square root of 51073087 is about 7146.5437100741. The cubic root of 51073087 is about 371.0200413950.

The spelling of 51073087 in words is "fifty-one million, seventy-three thousand, eighty-seven".