51526378943 has 8 divisors (see below), whose sum is σ = 55527234000. Its totient is φ = 47530850688.

The previous prime is 51526378919. The next prime is 51526378997. The reversal of 51526378943 is 34987362515.

It is a happy number.

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 51526378943 - 2¹⁶ = 51526313407 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 (51526378903) 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, 1311593 + ... + 1350306.

It is an arithmetic number, because the mean of its divisors is an integer number (6940904250).

Almost surely, 2^51526378943 is an apocalyptic number.

51526378943 is a deficient number, since it is larger than the sum of its proper divisors (4000855057).

51526378943 is a wasteful number, since it uses less digits than its factorization.

51526378943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663401.

The product of its digits is 5443200, while the sum is 53.

The spelling of 51526378943 in words is "fifty-one billion, five hundred twenty-six million, three hundred seventy-eight thousand, nine hundred forty-three".