51504325104 has 20 divisors (see below), whose sum is σ = 133052839976. Its totient is φ = 17168108352.

The previous prime is 51504325099. The next prime is 51504325151. The reversal of 51504325104 is 40152340515.

It is a super-2 number, since 2×51504325104² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 536503339 + ... + 536503434.

Almost surely, 2^51504325104 is an apocalyptic number.

It is an amenable number.

51504325104 is an abundant number, since it is smaller than the sum of its proper divisors (81548514872).

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

51504325104 is a wasteful number, since it uses less digits than its factorization.

51504325104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073006784 (or 1073006778 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 51504325104 its reverse (40152340515), we get a palindrome (91656665619).

The spelling of 51504325104 in words is "fifty-one billion, five hundred four million, three hundred twenty-five thousand, one hundred four".