51758766482 has 4 divisors (see below), whose sum is σ = 77638149726. Its totient is φ = 25879383240.

The previous prime is 51758766463. The next prime is 51758766539. The reversal of 51758766482 is 28466785715.

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

It can be written as a sum of positive squares in only one way, i.e., 29807677201 + 21951089281 = 172649^2 + 148159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12939691619 + ... + 12939691622.

Almost surely, 2^51758766482 is an apocalyptic number.

51758766482 is a deficient number, since it is larger than the sum of its proper divisors (25879383244).

51758766482 is a wasteful number, since it uses less digits than its factorization.

51758766482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25879383243.

The product of its digits is 22579200, while the sum is 59.

The spelling of 51758766482 in words is "fifty-one billion, seven hundred fifty-eight million, seven hundred sixty-six thousand, four hundred eighty-two".