51555410245 has 8 divisors (see below), whose sum is σ = 62789873184. Its totient is φ = 40628740944.

The previous prime is 51555410233. The next prime is 51555410251. The reversal of 51555410245 is 54201455515.

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

It is a cyclic number.

It is not a de Polignac number, because 51555410245 - 2⁷ = 51555410117 is a prime.

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, 76948039 + ... + 76948708.

It is an arithmetic number, because the mean of its divisors is an integer number (7848734148).

Almost surely, 2^51555410245 is an apocalyptic number.

It is an amenable number.

51555410245 is a deficient number, since it is larger than the sum of its proper divisors (11234462939).

51555410245 is a wasteful number, since it uses less digits than its factorization.

51555410245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153896819.

The product of its (nonzero) digits is 100000, while the sum is 37.

The spelling of 51555410245 in words is "fifty-one billion, five hundred fifty-five million, four hundred ten thousand, two hundred forty-five".