51023066252056 has 32 divisors (see below), whose sum is σ = 99828695773440. Its totient is φ = 24402101989408.

The previous prime is 51023066252051. The next prime is 51023066252063. The reversal of 51023066252056 is 65025266032015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51023066252051) 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, 18726645 + ... + 21277531.

It is an arithmetic number, because the mean of its divisors is an integer number (3119646742920).

Almost surely, 2^{51023066252056} is an apocalyptic number.

It is an amenable number.

51023066252056 is a deficient number, since it is larger than the sum of its proper divisors (48805629521384).

51023066252056 is a wasteful number, since it uses less digits than its factorization.

51023066252056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659623 (or 2659619 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 43.

The spelling of 51023066252056 in words is "fifty-one trillion, twenty-three billion, sixty-six million, two hundred fifty-two thousand, fifty-six".