51482251799 has 4 divisors (see below), whose sum is σ = 56162456520. Its totient is φ = 46802047080.

The previous prime is 51482251787. The next prime is 51482251811. The reversal of 51482251799 is 99715228415.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (51482251787) and next prime (51482251811).

It is a cyclic number.

It is not a de Polignac number, because 51482251799 - 2¹² = 51482247703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 51482251799.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51482251999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2340102344 + ... + 2340102365.

It is an arithmetic number, because the mean of its divisors is an integer number (14040614130).

Almost surely, 2^51482251799 is an apocalyptic number.

51482251799 is a deficient number, since it is larger than the sum of its proper divisors (4680204721).

51482251799 is a wasteful number, since it uses less digits than its factorization.

51482251799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680204720.

The product of its digits is 1814400, while the sum is 53.

The spelling of 51482251799 in words is "fifty-one billion, four hundred eighty-two million, two hundred fifty-one thousand, seven hundred ninety-nine".