51504325432 has 16 divisors (see below), whose sum is σ = 110366411760. Its totient is φ = 22073282304.

The previous prime is 51504325429. The next prime is 51504325459. The reversal of 51504325432 is 23452340515.

It is a super-3 number, since 3×51504325432³ (a number of 33 digits) contains 333 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, 459859993 + ... + 459860104.

It is an arithmetic number, because the mean of its divisors is an integer number (6897900735).

Almost surely, 2^51504325432 is an apocalyptic number.

It is an amenable number.

51504325432 is an abundant number, since it is smaller than the sum of its proper divisors (58862086328).

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

51504325432 is a wasteful number, since it uses less digits than its factorization.

51504325432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919720110 (or 919720106 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 34.

Adding to 51504325432 its reverse (23452340515), we get a palindrome (74956665947).

The spelling of 51504325432 in words is "fifty-one billion, five hundred four million, three hundred twenty-five thousand, four hundred thirty-two".