51757013 has 8 divisors (see below), whose sum is σ = 64528320. Its totient is φ = 40330080.

The previous prime is 51757009. The next prime is 51757037. The reversal of 51757013 is 31075715.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51757013 - 2² = 51757009 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51757063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 336008 + ... + 336161.

It is an arithmetic number, because the mean of its divisors is an integer number (8066040).

Almost surely, 2^51757013 is an apocalyptic number.

It is an amenable number.

51757013 is a deficient number, since it is larger than the sum of its proper divisors (12771307).

51757013 is a wasteful number, since it uses less digits than its factorization.

51757013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 672187.

The product of its (nonzero) digits is 3675, while the sum is 29.

The square root of 51757013 is about 7194.2347056515. The cubic root of 51757013 is about 372.6688284745.

The spelling of 51757013 in words is "fifty-one million, seven hundred fifty-seven thousand, thirteen".