51742255 has 8 divisors (see below), whose sum is σ = 64093824. Its totient is φ = 40058400.

The previous prime is 51742241. The next prime is 51742261. The reversal of 51742255 is 55224715.

51742255 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 51742255 - 2¹¹ = 51740207 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

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, 166756 + ... + 167065.

It is an arithmetic number, because the mean of its divisors is an integer number (8011728).

Almost surely, 2^51742255 is an apocalyptic number.

51742255 is a deficient number, since it is larger than the sum of its proper divisors (12351569).

51742255 is a wasteful number, since it uses less digits than its factorization.

51742255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333857.

The product of its digits is 14000, while the sum is 31.

The square root of 51742255 is about 7193.2089501140. The cubic root of 51742255 is about 372.6334041646.

The spelling of 51742255 in words is "fifty-one million, seven hundred forty-two thousand, two hundred fifty-five".