51459475 has 6 divisors (see below), whose sum is σ = 63809780. Its totient is φ = 41167560.

The previous prime is 51459439. The next prime is 51459481. The reversal of 51459475 is 57495415.

It is a de Polignac number, because none of the positive numbers 2^k-51459475 is a prime.

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, 1029165 + ... + 1029214.

Almost surely, 2^51459475 is an apocalyptic number.

51459475 is a deficient number, since it is larger than the sum of its proper divisors (12350305).

51459475 is a wasteful number, since it uses less digits than its factorization.

51459475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2058389 (or 2058384 counting only the distinct ones).

The product of its digits is 126000, while the sum is 40.

The square root of 51459475 is about 7173.5259809943. The cubic root of 51459475 is about 371.9533293090.

The spelling of 51459475 in words is "fifty-one million, four hundred fifty-nine thousand, four hundred seventy-five".