51553515695300 has 72 divisors (see below), whose sum is σ = 112926665418336. Its totient is φ = 20426871548160.

The previous prime is 51553515695293. The next prime is 51553515695303. The reversal of 51553515695300 is 359651535515.

It is a hoax number, since the sum of its digits (53) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (51553515695303) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123837299 + ... + 124252901.

It is an arithmetic number, because the mean of its divisors is an integer number (1568425908588).

Almost surely, 2^{51553515695300} is an apocalyptic number.

51553515695300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51553515695300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56463332709168).

51553515695300 is an abundant number, since it is smaller than the sum of its proper divisors (61373149723036).

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

51553515695300 is a wasteful number, since it uses less digits than its factorization.

51553515695300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 427317 (or 427310 counting only the distinct ones).

The product of its (nonzero) digits is 7593750, while the sum is 53.

The spelling of 51553515695300 in words is "fifty-one trillion, five hundred fifty-three billion, five hundred fifteen million, six hundred ninety-five thousand, three hundred".