51550167057 has 8 divisors (see below), whose sum is σ = 68734916160. Its totient is φ = 34366098000.

The previous prime is 51550166981. The next prime is 51550167059. The reversal of 51550167057 is 75076105515.

It is a happy number.

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-51550167057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (51550167059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46119 + ... + 324387.

It is an arithmetic number, because the mean of its divisors is an integer number (8591864520).

Almost surely, 2^51550167057 is an apocalyptic number.

It is an amenable number.

51550167057 is a deficient number, since it is larger than the sum of its proper divisors (17184749103).

51550167057 is a wasteful number, since it uses less digits than its factorization.

51550167057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340023.

The product of its (nonzero) digits is 183750, while the sum is 42.

The spelling of 51550167057 in words is "fifty-one billion, five hundred fifty million, one hundred sixty-seven thousand, fifty-seven".