51883687049 has 8 divisors (see below), whose sum is σ = 55097723040. Its totient is φ = 48717982656.

The previous prime is 51883687033. The next prime is 51883687057. The reversal of 51883687049 is 94078638815.

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 51883687049 - 2⁴ = 51883687033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51883687069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12080687 + ... + 12084980.

It is an arithmetic number, because the mean of its divisors is an integer number (6887215380).

Almost surely, 2^51883687049 is an apocalyptic number.

It is an amenable number.

51883687049 is a deficient number, since it is larger than the sum of its proper divisors (3214035991).

51883687049 is a wasteful number, since it uses less digits than its factorization.

51883687049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24165799.

The product of its (nonzero) digits is 11612160, while the sum is 59.

The spelling of 51883687049 in words is "fifty-one billion, eight hundred eighty-three million, six hundred eighty-seven thousand, forty-nine".