51743913 has 12 divisors (see below), whose sum is σ = 74707920. Its totient is φ = 31842096.

The previous prime is 51743911. The next prime is 51743947. The reversal of 51743913 is 31934715.

It is not a de Polignac number, because 51743913 - 2¹ = 51743911 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51743911) 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, 50523 + ... + 51536.

It is an arithmetic number, because the mean of its divisors is an integer number (6225660).

Almost surely, 2^51743913 is an apocalyptic number.

It is an amenable number.

51743913 is a deficient number, since it is larger than the sum of its proper divisors (22964007).

51743913 is a wasteful number, since it uses less digits than its factorization.

51743913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102088 (or 102075 counting only the distinct ones).

The product of its digits is 11340, while the sum is 33.

The square root of 51743913 is about 7193.3241967813. The cubic root of 51743913 is about 372.6373842745.

The spelling of 51743913 in words is "fifty-one million, seven hundred forty-three thousand, nine hundred thirteen".