51504351532000 has 48 divisors (see below), whose sum is σ = 126546191723952. Its totient is φ = 20601740611200.

The previous prime is 51504351531977. The next prime is 51504351532027. The reversal of 51504351532000 is 23515340515.

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, 6438039942 + ... + 6438047941.

It is an arithmetic number, because the mean of its divisors is an integer number (2636378994249).

Almost surely, 2^{51504351532000} is an apocalyptic number.

51504351532000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51504351532000 is an abundant number, since it is smaller than the sum of its proper divisors (75041840191952).

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

51504351532000 is a wasteful number, since it uses less digits than its factorization.

51504351532000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12876087908 (or 12876087890 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 34.

Adding to 51504351532000 its reverse (23515340515), we get a palindrome (51527866872515).

The spelling of 51504351532000 in words is "fifty-one trillion, five hundred four billion, three hundred fifty-one million, five hundred thirty-two thousand".