51474475 has 24 divisors (see below), whose sum is σ = 70432992. Its totient is φ = 37075200.

The previous prime is 51474463. The next prime is 51474481. The reversal of 51474475 is 57447415.

It is not a de Polignac number, because 51474475 - 2⁵ = 51474443 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 (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11394 + ... + 15256.

It is an arithmetic number, because the mean of its divisors is an integer number (2934708).

Almost surely, 2^51474475 is an apocalyptic number.

51474475 is a deficient number, since it is larger than the sum of its proper divisors (18958517).

51474475 is a wasteful number, since it uses less digits than its factorization.

51474475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3927 (or 3922 counting only the distinct ones).

The product of its digits is 78400, while the sum is 37.

The square root of 51474475 is about 7174.5714157711. The cubic root of 51474475 is about 371.9894662104.

The spelling of 51474475 in words is "fifty-one million, four hundred seventy-four thousand, four hundred seventy-five".