51180587 has 8 divisors (see below), whose sum is σ = 52769472. Its totient is φ = 49608000.

The previous prime is 51180581. The next prime is 51180593. The reversal of 51180587 is 78508115.

51180587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51180581) and next prime (51180593).

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 51180587 - 2¹² = 51176491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51180581) 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, 2462 + ... + 10412.

It is an arithmetic number, because the mean of its divisors is an integer number (6596184).

Almost surely, 2^51180587 is an apocalyptic number.

51180587 is a deficient number, since it is larger than the sum of its proper divisors (1588885).

51180587 is a wasteful number, since it uses less digits than its factorization.

51180587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8149.

The product of its (nonzero) digits is 11200, while the sum is 35.

The square root of 51180587 is about 7154.0608747759. The cubic root of 51180587 is about 371.2801699417.

The spelling of 51180587 in words is "fifty-one million, one hundred eighty thousand, five hundred eighty-seven".