50172007 has 4 divisors (see below), whose sum is σ = 51022440. Its totient is φ = 49321576.

The previous prime is 50171971. The next prime is 50172011. The reversal of 50172007 is 70027105.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50172007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50172047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425128 + ... + 425245.

It is an arithmetic number, because the mean of its divisors is an integer number (12755610).

Almost surely, 2^50172007 is an apocalyptic number.

50172007 is a deficient number, since it is larger than the sum of its proper divisors (850433).

50172007 is an equidigital number, since it uses as much as digits as its factorization.

50172007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850432.

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 50172007 is about 7083.2201010557. The cubic root of 50172007 is about 368.8251191595.

The spelling of 50172007 in words is "fifty million, one hundred seventy-two thousand, seven".