51745556555476 has 24 divisors (see below), whose sum is σ = 104406963675840. Its totient is φ = 21980413402752.

The previous prime is 51745556555471. The next prime is 51745556555479. The reversal of 51745556555476 is 67455565554715.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51745556555471) 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, 8177233966 + ... + 8177240293.

It is an arithmetic number, because the mean of its divisors is an integer number (4350290153160).

Almost surely, 2^{51745556555476} is an apocalyptic number.

It is an amenable number.

51745556555476 is an abundant number, since it is smaller than the sum of its proper divisors (52661407120364).

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

51745556555476 is a wasteful number, since it uses less digits than its factorization.

51745556555476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16354474383 (or 16354474381 counting only the distinct ones).

The product of its digits is 2205000000, while the sum is 70.

The spelling of 51745556555476 in words is "fifty-one trillion, seven hundred forty-five billion, five hundred fifty-six million, five hundred fifty-five thousand, four hundred seventy-six".