51705675 has 96 divisors (see below), whose sum is σ = 112373760. Its totient is φ = 22809600.

The previous prime is 51705673. The next prime is 51705683. The reversal of 51705675 is 57650715.

It is not a de Polignac number, because 51705675 - 2¹ = 51705673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51705671) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 146299 + ... + 146651.

It is an arithmetic number, because the mean of its divisors is an integer number (1170560).

Almost surely, 2^51705675 is an apocalyptic number.

51705675 is an abundant number, since it is smaller than the sum of its proper divisors (60668085).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51705675 is a wasteful number, since it uses less digits than its factorization.

51705675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410 (or 399 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 51705675 is about 7190.6658245256. The cubic root of 51705675 is about 372.5455704499.

The spelling of 51705675 in words is "fifty-one million, seven hundred five thousand, six hundred seventy-five".