51641560655200 has 72 divisors (see below), whose sum is σ = 126073179940680. Its totient is φ = 20656096665600.

The previous prime is 51641560655197. The next prime is 51641560655219. The reversal of 51641560655200 is 255606514615.

It is a happy number.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31298895 + ... + 32907505.

It is an arithmetic number, because the mean of its divisors is an integer number (1751016388065).

Almost surely, 2^{51641560655200} is an apocalyptic number.

51641560655200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

51641560655200 is an abundant number, since it is smaller than the sum of its proper divisors (74431619285480).

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

51641560655200 is a wasteful number, since it uses less digits than its factorization.

51641560655200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1648760 (or 1648747 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 46.

The spelling of 51641560655200 in words is "fifty-one trillion, six hundred forty-one billion, five hundred sixty million, six hundred fifty-five thousand, two hundred".