51354025556766 has 16 divisors (see below), whose sum is σ = 102708161740800. Its totient is φ = 17117990081048.

The previous prime is 51354025556761. The next prime is 51354025556837. The reversal of 51354025556766 is 66765552045315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51354025556761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198755 + ... + 10370273.

It is an arithmetic number, because the mean of its divisors is an integer number (6419260108800).

Almost surely, 2^{51354025556766} is an apocalyptic number.

51354025556766 is an abundant number, since it is smaller than the sum of its proper divisors (51354136184034).

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

51354025556766 is a wasteful number, since it uses less digits than its factorization.

51354025556766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218943.

The product of its (nonzero) digits is 113400000, while the sum is 60.

The spelling of 51354025556766 in words is "fifty-one trillion, three hundred fifty-four billion, twenty-five million, five hundred fifty-six thousand, seven hundred sixty-six".