51474064 has 20 divisors (see below), whose sum is σ = 99869104. Its totient is φ = 25701408.

The previous prime is 51474037. The next prime is 51474089. The reversal of 51474064 is 46047415.

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 3 ways as a sum of consecutive naturals, for example, 12739 + ... + 16285.

Almost surely, 2^51474064 is an apocalyptic number.

It is an amenable number.

51474064 is a deficient number, since it is larger than the sum of its proper divisors (48395040).

51474064 is a wasteful number, since it uses less digits than its factorization.

51474064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4462 (or 4456 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 51474064 is about 7174.5427728880. The cubic root of 51474064 is about 371.9884761528.

The spelling of 51474064 in words is "fifty-one million, four hundred seventy-four thousand, sixty-four".