51695475 has 48 divisors (see below), whose sum is σ = 94598112. Its totient is φ = 24744960.

The previous prime is 51695459. The next prime is 51695489. The reversal of 51695475 is 57459615.

It is not a de Polignac number, because 51695475 - 2⁴ = 51695459 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35359 + ... + 36791.

It is an arithmetic number, because the mean of its divisors is an integer number (1970794).

Almost surely, 2^51695475 is an apocalyptic number.

51695475 is a deficient number, since it is larger than the sum of its proper divisors (42902637).

51695475 is a wasteful number, since it uses less digits than its factorization.

51695475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1496 (or 1491 counting only the distinct ones).

The product of its digits is 189000, while the sum is 42.

The square root of 51695475 is about 7189.9565367254. The cubic root of 51695475 is about 372.5210714324.

The spelling of 51695475 in words is "fifty-one million, six hundred ninety-five thousand, four hundred seventy-five".