51787102496 has 36 divisors (see below), whose sum is σ = 106581489462. Its totient is φ = 24767736576.

The previous prime is 51787102481. The next prime is 51787102511. The reversal of 51787102496 is 69420178715.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (51787102481) and next prime (51787102511).

It can be written as a sum of positive squares in only one way, i.e., 26367264400 + 25419838096 = 162380^2 + 159436^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1512701 + ... + 1546556.

Almost surely, 2^51787102496 is an apocalyptic number.

It is an amenable number.

51787102496 is an abundant number, since it is smaller than the sum of its proper divisors (54794386966).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51787102496 is a wasteful number, since it uses less digits than its factorization.

51787102496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3059313 (or 3059282 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 50.

The spelling of 51787102496 in words is "fifty-one billion, seven hundred eighty-seven million, one hundred two thousand, four hundred ninety-six".