51386675 has 6 divisors (see below), whose sum is σ = 63719508. Its totient is φ = 41109320.

The previous prime is 51386663. The next prime is 51386689. The reversal of 51386675 is 57668315.

It is not a de Polignac number, because 51386675 - 2⁶ = 51386611 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1027709 + ... + 1027758.

It is an arithmetic number, because the mean of its divisors is an integer number (10619918).

Almost surely, 2^51386675 is an apocalyptic number.

51386675 is a deficient number, since it is larger than the sum of its proper divisors (12332833).

51386675 is a wasteful number, since it uses less digits than its factorization.

51386675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2055477 (or 2055472 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 51386675 is about 7168.4499719256. The cubic root of 51386675 is about 371.7778450621. Note that the first 3 decimals are identical.

The spelling of 51386675 in words is "fifty-one million, three hundred eighty-six thousand, six hundred seventy-five".