51775496817792 has 128 divisors (see below), whose sum is σ = 153520369009920. Its totient is φ = 15324671308800.

The previous prime is 51775496817767. The next prime is 51775496817817. The reversal of 51775496817792 is 29771869457715.

It is an interprime number because it is at equal distance from previous prime (51775496817767) and next prime (51775496817817).

It is a tau number, because it is divible by the number of its divisors (128).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142346934 + ... + 142710197.

It is an arithmetic number, because the mean of its divisors is an integer number (1199377882890).

Almost surely, 2^{51775496817792} is an apocalyptic number.

It is an amenable number.

51775496817792 is an abundant number, since it is smaller than the sum of its proper divisors (101744872192128).

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

51775496817792 is a wasteful number, since it uses less digits than its factorization.

51775496817792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285057202 (or 285057190 counting only the distinct ones).

The product of its digits is 1867017600, while the sum is 78.

The spelling of 51775496817792 in words is "fifty-one trillion, seven hundred seventy-five billion, four hundred ninety-six million, eight hundred seventeen thousand, seven hundred ninety-two".