52407539144 has 8 divisors (see below), whose sum is σ = 98264135910. Its totient is φ = 26203769568.

The previous prime is 52407539141. The next prime is 52407539189. The reversal of 52407539144 is 44193570425.

It can be written as a sum of positive squares in only one way, i.e., 49199676100 + 3207863044 = 221810^2 + 56638^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 52407539095 and 52407539104.

It is not an unprimeable number, because it can be changed into a prime (52407539141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3275471189 + ... + 3275471204.

Almost surely, 2^52407539144 is an apocalyptic number.

It is an amenable number.

52407539144 is a deficient number, since it is larger than the sum of its proper divisors (45856596766).

52407539144 is a wasteful number, since it uses less digits than its factorization.

52407539144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6550942399 (or 6550942395 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 44.

The spelling of 52407539144 in words is "fifty-two billion, four hundred seven million, five hundred thirty-nine thousand, one hundred forty-four".