172755005049 has 24 divisors (see below), whose sum is σ = 275499780192. Its totient is φ = 103438552320.

The previous prime is 172755005021. The next prime is 172755005083. The reversal of 172755005049 is 940500557271.

172755005049 is a `hidden beast` number, since 1 + 7 + 2 + 7 + 550 + 0 + 50 + 49 = 666.

It is not a de Polignac number, because 172755005049 - 2¹² = 172755000953 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 172755004995 and 172755005013.

It is not an unprimeable number, because it can be changed into a prime (172755005009) 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, 10503832 + ... + 10520265.

It is an arithmetic number, because the mean of its divisors is an integer number (11479157508).

Almost surely, 2^172755005049 is an apocalyptic number.

It is an amenable number.

172755005049 is a deficient number, since it is larger than the sum of its proper divisors (102744775143).

172755005049 is a wasteful number, since it uses less digits than its factorization.

172755005049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21024197 (or 21024194 counting only the distinct ones).

The product of its (nonzero) digits is 441000, while the sum is 45.

The spelling of 172755005049 in words is "one hundred seventy-two billion, seven hundred fifty-five million, five thousand, forty-nine".