51348147701544 has 24 divisors (see below), whose sum is σ = 139067900025210. Its totient is φ = 17116049233824.

The previous prime is 51348147701531. The next prime is 51348147701549. The reversal of 51348147701544 is 44510774184315.

51348147701544 is a `hidden beast` number, since 5 + 1 + 3 + 481 + 4 + 7 + 7 + 0 + 154 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 42031233922500 + 9316913779044 = 6483150^2 + 3052362^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (51348147701549) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 356584358967 + ... + 356584359110.

Almost surely, 2^{51348147701544} is an apocalyptic number.

It is an amenable number.

51348147701544 is an abundant number, since it is smaller than the sum of its proper divisors (87719752323666).

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

51348147701544 is a wasteful number, since it uses less digits than its factorization.

51348147701544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713168718089 (or 713168718082 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 54.

The spelling of 51348147701544 in words is "fifty-one trillion, three hundred forty-eight billion, one hundred forty-seven million, seven hundred one thousand, five hundred forty-four".