51791743 has 8 divisors (see below), whose sum is σ = 52494848. Its totient is φ = 51093504.

The previous prime is 51791723. The next prime is 51791771. The reversal of 51791743 is 34719715.

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

It is a cyclic number.

It is not a de Polignac number, because 51791743 - 2⁵ = 51791711 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 (51791713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23455 + ... + 25567.

It is an arithmetic number, because the mean of its divisors is an integer number (6561856).

Almost surely, 2^51791743 is an apocalyptic number.

51791743 is a deficient number, since it is larger than the sum of its proper divisors (703105).

51791743 is a wasteful number, since it uses less digits than its factorization.

51791743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2433.

The product of its digits is 26460, while the sum is 37.

The square root of 51791743 is about 7196.6480391916. The cubic root of 51791743 is about 372.7521659379.

The spelling of 51791743 in words is "fifty-one million, seven hundred ninety-one thousand, seven hundred forty-three".