50772147 has 4 divisors (see below), whose sum is σ = 67696200. Its totient is φ = 33848096.

The previous prime is 50772133. The next prime is 50772151. The reversal of 50772147 is 74127705.

It is a happy number.

50772147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 50772147 - 2⁷ = 50772019 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50772847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8462022 + ... + 8462027.

It is an arithmetic number, because the mean of its divisors is an integer number (16924050).

Almost surely, 2^50772147 is an apocalyptic number.

50772147 is a deficient number, since it is larger than the sum of its proper divisors (16924053).

50772147 is a wasteful number, since it uses less digits than its factorization.

50772147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16924052.

The product of its (nonzero) digits is 13720, while the sum is 33.

The square root of 50772147 is about 7125.4576695115. The cubic root of 50772147 is about 370.2898799657.

The spelling of 50772147 in words is "fifty million, seven hundred seventy-two thousand, one hundred forty-seven".