51061055 has 8 divisors (see below), whose sum is σ = 61880544. Its totient is φ = 40444000.

The previous prime is 51061051. The next prime is 51061057. The reversal of 51061055 is 55016015.

51061055 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 not a de Polignac number, because 51061055 - 2² = 51061051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51061055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51061051) 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, 50051 + ... + 51060.

It is an arithmetic number, because the mean of its divisors is an integer number (7735068).

Almost surely, 2^51061055 is an apocalyptic number.

51061055 is a deficient number, since it is larger than the sum of its proper divisors (10819489).

51061055 is a wasteful number, since it uses less digits than its factorization.

51061055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101217.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 51061055 is about 7145.7018549615. The cubic root of 51061055 is about 370.9909036501.

The spelling of 51061055 in words is "fifty-one million, sixty-one thousand, fifty-five".