51751005 has 16 divisors (see below), whose sum is σ = 82892160. Its totient is φ = 27570368.

The previous prime is 51750991. The next prime is 51751019. The reversal of 51751005 is 50015715.

51751005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (51750991) and next prime (51751019).

It is a cyclic number.

It is not a de Polignac number, because 51751005 - 2²⁰ = 50702429 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 22279 + ... + 24491.

It is an arithmetic number, because the mean of its divisors is an integer number (5180760).

Almost surely, 2^51751005 is an apocalyptic number.

It is an amenable number.

51751005 is a deficient number, since it is larger than the sum of its proper divisors (31141155).

51751005 is a wasteful number, since it uses less digits than its factorization.

51751005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3780.

The product of its (nonzero) digits is 875, while the sum is 24.

The square root of 51751005 is about 7193.8171369587. The cubic root of 51751005 is about 372.6544080070.

The spelling of 51751005 in words is "fifty-one million, seven hundred fifty-one thousand, five".