51633475 has 12 divisors (see below), whose sum is σ = 64277136. Its totient is φ = 41144480.

The previous prime is 51633467. The next prime is 51633479. The reversal of 51633475 is 57433615.

It is not a de Polignac number, because 51633475 - 2³ = 51633467 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51633475.

It is not an unprimeable number, because it can be changed into a prime (51633479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2649 + ... + 10501.

It is an arithmetic number, because the mean of its divisors is an integer number (5356428).

Almost surely, 2^51633475 is an apocalyptic number.

51633475 is a deficient number, since it is larger than the sum of its proper divisors (12643661).

51633475 is a wasteful number, since it uses less digits than its factorization.

51633475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8126 (or 8121 counting only the distinct ones).

The product of its digits is 37800, while the sum is 34.

The square root of 51633475 is about 7185.6436733253. The cubic root of 51633475 is about 372.3720864651.

The spelling of 51633475 in words is "fifty-one million, six hundred thirty-three thousand, four hundred seventy-five".