51326055654500 has 96 divisors (see below), whose sum is σ = 122295916229760. Its totient is φ = 18662607600000.

The previous prime is 51326055654487. The next prime is 51326055654509. The reversal of 51326055654500 is 545655062315.

It is not an unprimeable number, because it can be changed into a prime (51326055654509) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73733075 + ... + 74425925.

It is an arithmetic number, because the mean of its divisors is an integer number (1273915794060).

Almost surely, 2^{51326055654500} is an apocalyptic number.

51326055654500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51326055654500 is an abundant number, since it is smaller than the sum of its proper divisors (70969860575260).

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

51326055654500 is a wasteful number, since it uses less digits than its factorization.

51326055654500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706350 (or 706338 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 47.

The spelling of 51326055654500 in words is "fifty-one trillion, three hundred twenty-six billion, fifty-five million, six hundred fifty-four thousand, five hundred".