50155745 has 8 divisors (see below), whose sum is σ = 61011816. Its totient is φ = 39574656.

The previous prime is 50155741. The next prime is 50155753. The reversal of 50155745 is 54755105.

It can be written as a sum of positive squares in 4 ways, for example, as 5973136 + 44182609 = 2444^2 + 6647^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50155745 - 2² = 50155741 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50155741) 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, 68342 + ... + 69071.

It is an arithmetic number, because the mean of its divisors is an integer number (7626477).

Almost surely, 2^50155745 is an apocalyptic number.

It is an amenable number.

50155745 is a deficient number, since it is larger than the sum of its proper divisors (10856071).

50155745 is a wasteful number, since it uses less digits than its factorization.

50155745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137491.

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 50155745 is about 7082.0720837902. The cubic root of 50155745 is about 368.7852663772.

The spelling of 50155745 in words is "fifty million, one hundred fifty-five thousand, seven hundred forty-five".