51752255 has 16 divisors (see below), whose sum is σ = 63872064. Its totient is φ = 40239360.

The previous prime is 51752249. The next prime is 51752273. The reversal of 51752255 is 55225715.

It is a de Polignac number, because none of the positive numbers 2^k-51752255 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24917 + ... + 26913.

It is an arithmetic number, because the mean of its divisors is an integer number (3992004).

Almost surely, 2^51752255 is an apocalyptic number.

51752255 is a deficient number, since it is larger than the sum of its proper divisors (12119809).

51752255 is a wasteful number, since it uses less digits than its factorization.

51752255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146.

The product of its digits is 17500, while the sum is 32.

The square root of 51752255 is about 7193.9040165963. The cubic root of 51752255 is about 372.6574083627.

The spelling of 51752255 in words is "fifty-one million, seven hundred fifty-two thousand, two hundred fifty-five".