51542203533424 has 10 divisors (see below), whose sum is σ = 99863019346040. Its totient is φ = 25771101766704.

The previous prime is 51542203533421. The next prime is 51542203533473. The reversal of 51542203533424 is 42433530224515.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51542203533421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610693860404 + ... + 1610693860435.

It is an arithmetic number, because the mean of its divisors is an integer number (9986301934604).

Almost surely, 2^{51542203533424} is an apocalyptic number.

It is an amenable number.

51542203533424 is a deficient number, since it is larger than the sum of its proper divisors (48320815812616).

51542203533424 is a wasteful number, since it uses less digits than its factorization.

51542203533424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3221387720847 (or 3221387720841 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 43.

Adding to 51542203533424 its reverse (42433530224515), we get a palindrome (93975733757939).

The spelling of 51542203533424 in words is "fifty-one trillion, five hundred forty-two billion, two hundred three million, five hundred thirty-three thousand, four hundred twenty-four".