50745545 has 4 divisors (see below), whose sum is σ = 60894660. Its totient is φ = 40596432.

The previous prime is 50745529. The next prime is 50745553. The reversal of 50745545 is 54554705.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26666896 + 24078649 = 5164^2 + 4907^2 .

It is a cyclic number.

It is not a de Polignac number, because 50745545 - 2⁴ = 50745529 is a prime.

It is a super-2 number, since 2×50745545² = 5150220674694050, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5074550 + ... + 5074559.

It is an arithmetic number, because the mean of its divisors is an integer number (15223665).

Almost surely, 2^50745545 is an apocalyptic number.

It is an amenable number.

50745545 is a deficient number, since it is larger than the sum of its proper divisors (10149115).

50745545 is a wasteful number, since it uses less digits than its factorization.

50745545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10149114.

The product of its (nonzero) digits is 70000, while the sum is 35.

The square root of 50745545 is about 7123.5907378232. The cubic root of 50745545 is about 370.2251977016.

The spelling of 50745545 in words is "fifty million, seven hundred forty-five thousand, five hundred forty-five".