50550247 has 4 divisors (see below), whose sum is σ = 55145736. Its totient is φ = 45954760.

The previous prime is 50550229. The next prime is 50550257. The reversal of 50550247 is 74205505.

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 50550247 - 2¹⁵ = 50517479 is a prime.

It is a super-2 number, since 2×50550247² = 5110654943522018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50550257) 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, 2297728 + ... + 2297749.

It is an arithmetic number, because the mean of its divisors is an integer number (13786434).

Almost surely, 2^50550247 is an apocalyptic number.

50550247 is a deficient number, since it is larger than the sum of its proper divisors (4595489).

50550247 is a wasteful number, since it uses less digits than its factorization.

50550247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4595488.

The product of its (nonzero) digits is 7000, while the sum is 28.

The square root of 50550247 is about 7109.8696893825. The cubic root of 50550247 is about 369.7496407138.

The spelling of 50550247 in words is "fifty million, five hundred fifty thousand, two hundred forty-seven".