50972145 has 32 divisors (see below), whose sum is σ = 93477888. Its totient is φ = 23233728.

The previous prime is 50972123. The next prime is 50972189. The reversal of 50972145 is 54127905.

50972145 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 50972145 - 2⁶ = 50972081 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 61222 + ... + 62048.

It is an arithmetic number, because the mean of its divisors is an integer number (2921184).

Almost surely, 2^50972145 is an apocalyptic number.

It is an amenable number.

50972145 is a deficient number, since it is larger than the sum of its proper divisors (42505743).

50972145 is a wasteful number, since it uses less digits than its factorization.

50972145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429.

The product of its (nonzero) digits is 12600, while the sum is 33.

The square root of 50972145 is about 7139.4779220893. The cubic root of 50972145 is about 370.7754493951.

The spelling of 50972145 in words is "fifty million, nine hundred seventy-two thousand, one hundred forty-five".