51654770656775 has 24 divisors (see below), whose sum is σ = 75249802964784. Its totient is φ = 34677328550400.

The previous prime is 51654770656771. The next prime is 51654770656837. The reversal of 51654770656775 is 57765607745615.

It is not a de Polignac number, because 51654770656775 - 2² = 51654770656771 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 51654770656699 and 51654770656708.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51654770656771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7224439874 + ... + 7224447023.

It is an arithmetic number, because the mean of its divisors is an integer number (3135408456866).

Almost surely, 2^{51654770656775} is an apocalyptic number.

51654770656775 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

51654770656775 is a deficient number, since it is larger than the sum of its proper divisors (23595032308009).

51654770656775 is a wasteful number, since it uses less digits than its factorization.

51654770656775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14448886931 (or 14448886926 counting only the distinct ones).

The product of its (nonzero) digits is 1296540000, while the sum is 71.

The spelling of 51654770656775 in words is "fifty-one trillion, six hundred fifty-four billion, seven hundred seventy million, six hundred fifty-six thousand, seven hundred seventy-five".