50551745 has 4 divisors (see below), whose sum is σ = 60662100. Its totient is φ = 40441392.

The previous prime is 50551741. The next prime is 50551747. The reversal of 50551745 is 54715505.

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 10394176 + 40157569 = 3224^2 + 6337^2 .

It is a cyclic number.

It is not a de Polignac number, because 50551745 - 2² = 50551741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50551741) 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, 5055170 + ... + 5055179.

It is an arithmetic number, because the mean of its divisors is an integer number (15165525).

Almost surely, 2^50551745 is an apocalyptic number.

It is an amenable number.

50551745 is a deficient number, since it is larger than the sum of its proper divisors (10110355).

50551745 is a wasteful number, since it uses less digits than its factorization.

50551745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10110354.

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

The square root of 50551745 is about 7109.9750351179. The cubic root of 50551745 is about 369.7532930500.

The spelling of 50551745 in words is "fifty million, five hundred fifty-one thousand, seven hundred forty-five".