51384683 has 24 divisors (see below), whose sum is σ = 63680400. Its totient is φ = 41223168.

The previous prime is 51384679. The next prime is 51384689. The reversal of 51384683 is 38648315.

It is not a de Polignac number, because 51384683 - 2² = 51384679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51384689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 90023 + ... + 90591.

It is an arithmetic number, because the mean of its divisors is an integer number (2653350).

Almost surely, 2^51384683 is an apocalyptic number.

51384683 is a deficient number, since it is larger than the sum of its proper divisors (12295717).

51384683 is a wasteful number, since it uses less digits than its factorization.

51384683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699 (or 692 counting only the distinct ones).

The product of its digits is 69120, while the sum is 38.

The square root of 51384683 is about 7168.3110284083. The cubic root of 51384683 is about 371.7730410214.

The spelling of 51384683 in words is "fifty-one million, three hundred eighty-four thousand, six hundred eighty-three".