51739713 has 24 divisors (see below), whose sum is σ = 78624000. Its totient is φ = 32741280.

The previous prime is 51739711. The next prime is 51739733. The reversal of 51739713 is 31793715.

It is not a de Polignac number, because 51739713 - 2¹ = 51739711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51739711) 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, 13038 + ... + 16536.

It is an arithmetic number, because the mean of its divisors is an integer number (3276000).

Almost surely, 2^51739713 is an apocalyptic number.

51739713 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

It is an amenable number.

51739713 is a deficient number, since it is larger than the sum of its proper divisors (26884287).

51739713 is a wasteful number, since it uses less digits than its factorization.

51739713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3589 (or 3586 counting only the distinct ones).

The product of its digits is 19845, while the sum is 36.

The square root of 51739713 is about 7193.0322535076. The cubic root of 51739713 is about 372.6273018045.

The spelling of 51739713 in words is "fifty-one million, seven hundred thirty-nine thousand, seven hundred thirteen".