51550152205 has 8 divisors (see below), whose sum is σ = 61862769504. Its totient is φ = 41238397200.

The previous prime is 51550152197. The next prime is 51550152211. The reversal of 51550152205 is 50225105515.

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

It is not a de Polignac number, because 51550152205 - 2³ = 51550152197 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, 75811 + ... + 329920.

It is an arithmetic number, because the mean of its divisors is an integer number (7732846188).

Almost surely, 2^51550152205 is an apocalyptic number.

It is an amenable number.

51550152205 is a deficient number, since it is larger than the sum of its proper divisors (10312617299).

51550152205 is a wasteful number, since it uses less digits than its factorization.

51550152205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431147.

The product of its (nonzero) digits is 12500, while the sum is 31.

The spelling of 51550152205 in words is "fifty-one billion, five hundred fifty million, one hundred fifty-two thousand, two hundred five".