51205675 has 12 divisors (see below), whose sum is σ = 63679456. Its totient is φ = 40845600.

The previous prime is 51205663. The next prime is 51205699. The reversal of 51205675 is 57650215.

51205675 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 51205675 - 2⁹ = 51205163 is a prime.

It is a Duffinian 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 11 ways as a sum of consecutive naturals, for example, 6385 + ... + 11965.

Almost surely, 2^51205675 is an apocalyptic number.

51205675 is a deficient number, since it is larger than the sum of its proper divisors (12473781).

51205675 is a wasteful number, since it uses less digits than its factorization.

51205675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5958 (or 5953 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 31.

The square root of 51205675 is about 7155.8140696919. The cubic root of 51205675 is about 371.3408254617.

The spelling of 51205675 in words is "fifty-one million, two hundred five thousand, six hundred seventy-five".