51070255 has 4 divisors (see below), whose sum is σ = 61284312. Its totient is φ = 40856200.

The previous prime is 51070231. The next prime is 51070259. The reversal of 51070255 is 55207015.

It is a happy number.

51070255 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 51070255 - 2¹⁵ = 51037487 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 (51070259) 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 3 ways as a sum of consecutive naturals, for example, 5107021 + ... + 5107030.

It is an arithmetic number, because the mean of its divisors is an integer number (15321078).

Almost surely, 2^51070255 is an apocalyptic number.

51070255 is a deficient number, since it is larger than the sum of its proper divisors (10214057).

51070255 is a wasteful number, since it uses less digits than its factorization.

51070255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10214056.

The product of its (nonzero) digits is 1750, while the sum is 25.

The square root of 51070255 is about 7146.3455695901. The cubic root of 51070255 is about 371.0131835876.

The spelling of 51070255 in words is "fifty-one million, seventy thousand, two hundred fifty-five".