51488743 has 8 divisors (see below), whose sum is σ = 55038816. Its totient is φ = 48048000.

The previous prime is 51488741. The next prime is 51488753. The reversal of 51488743 is 34788415.

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 51488743 - 2¹ = 51488741 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51488696 and 51488705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51488741) 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, 26358 + ... + 28243.

It is an arithmetic number, because the mean of its divisors is an integer number (6879852).

Almost surely, 2^51488743 is an apocalyptic number.

51488743 is a deficient number, since it is larger than the sum of its proper divisors (3550073).

51488743 is a wasteful number, since it uses less digits than its factorization.

51488743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54665.

The product of its digits is 107520, while the sum is 40.

The square root of 51488743 is about 7175.5656919855. The cubic root of 51488743 is about 372.0238331167.

The spelling of 51488743 in words is "fifty-one million, four hundred eighty-eight thousand, seven hundred forty-three".