51544324542 has 16 divisors (see below), whose sum is σ = 104540602752. Its totient is φ = 16939449240.

The previous prime is 51544324537. The next prime is 51544324621. The reversal of 51544324542 is 24542344515.

51544324542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 51544324542.

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, 60497608 + ... + 60498459.

It is an arithmetic number, because the mean of its divisors is an integer number (6533787672).

Almost surely, 2^51544324542 is an apocalyptic number.

51544324542 is an abundant number, since it is smaller than the sum of its proper divisors (52996278210).

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

51544324542 is a wasteful number, since it uses less digits than its factorization.

51544324542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120996143.

The product of its digits is 384000, while the sum is 39.

The spelling of 51544324542 in words is "fifty-one billion, five hundred forty-four million, three hundred twenty-four thousand, five hundred forty-two".