51042955 has 8 divisors (see below), whose sum is σ = 61520400. Its totient is φ = 40655136.

The previous prime is 51042947. The next prime is 51042973. The reversal of 51042955 is 55924015.

51042955 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 51042955 - 2³ = 51042947 is a prime.

It is an unprimeable number.

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, 21145 + ... + 23434.

It is an arithmetic number, because the mean of its divisors is an integer number (7690050).

Almost surely, 2^51042955 is an apocalyptic number.

51042955 is a deficient number, since it is larger than the sum of its proper divisors (10477445).

51042955 is a wasteful number, since it uses less digits than its factorization.

51042955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44813.

The product of its (nonzero) digits is 9000, while the sum is 31.

The square root of 51042955 is about 7144.4352470997. The cubic root of 51042955 is about 370.9470624816.

The spelling of 51042955 in words is "fifty-one million, forty-two thousand, nine hundred fifty-five".