52251322121044 has 24 divisors (see below), whose sum is σ = 92311942864680. Its totient is φ = 25876653935616.

The previous prime is 52251322121027. The next prime is 52251322121059. The reversal of 52251322121044 is 44012122315225.

It can be written as a sum of positive squares in 4 ways, for example, as 8675322252100 + 43575999868944 = 2945390^2 + 6601212^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20366917 + ... + 22788460.

It is an arithmetic number, because the mean of its divisors is an integer number (3846330952695).

Almost surely, 2^{52251322121044} is an apocalyptic number.

It is an amenable number.

52251322121044 is a deficient number, since it is larger than the sum of its proper divisors (40060620743636).

52251322121044 is a wasteful number, since it uses less digits than its factorization.

52251322121044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43158267 (or 43158265 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 52251322121044 its reverse (44012122315225), we get a palindrome (96263444436269).

The spelling of 52251322121044 in words is "fifty-two trillion, two hundred fifty-one billion, three hundred twenty-two million, one hundred twenty-one thousand, forty-four".