51227570054172 has 48 divisors (see below), whose sum is σ = 129880879385600. Its totient is φ = 15655284564480.

The previous prime is 51227570054147. The next prime is 51227570054179. The reversal of 51227570054172 is 27145007572215.

51227570054172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51227570054179) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3623901397 + ... + 3623915532.

Almost surely, 2^{51227570054172} is an apocalyptic number.

It is an amenable number.

51227570054172 is an abundant number, since it is smaller than the sum of its proper divisors (78653309331428).

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

51227570054172 is a wasteful number, since it uses less digits than its factorization.

51227570054172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7247816986 (or 7247816984 counting only the distinct ones).

The product of its (nonzero) digits is 1372000, while the sum is 48.

The spelling of 51227570054172 in words is "fifty-one trillion, two hundred twenty-seven billion, five hundred seventy million, fifty-four thousand, one hundred seventy-two".