51553324503205 has 8 divisors (see below), whose sum is σ = 70701702175872. Its totient is φ = 35350851087888.

The previous prime is 51553324503181. The next prime is 51553324503211. The reversal of 51553324503205 is 50230542335515.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-51553324503205 is a prime.

It is a super-3 number, since 3×51553324503205³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

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, 736476064297 + ... + 736476064366.

It is an arithmetic number, because the mean of its divisors is an integer number (8837712771984).

Almost surely, 2^{51553324503205} is an apocalyptic number.

It is an amenable number.

51553324503205 is a deficient number, since it is larger than the sum of its proper divisors (19148377672667).

51553324503205 is a wasteful number, since it uses less digits than its factorization.

51553324503205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1472952128675.

The product of its (nonzero) digits is 1350000, while the sum is 43.

The spelling of 51553324503205 in words is "fifty-one trillion, five hundred fifty-three billion, three hundred twenty-four million, five hundred three thousand, two hundred five".