50172413 has 4 divisors (see below), whose sum is σ = 50204700. Its totient is φ = 50140128.

The previous prime is 50172391. The next prime is 50172427. The reversal of 50172413 is 31427105.

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 1214404 + 48958009 = 1102^2 + 6997^2 .

It is a cyclic number.

It is not a de Polignac number, because 50172413 - 2¹⁸ = 49910269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50178413) 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, 13688 + ... + 16961.

It is an arithmetic number, because the mean of its divisors is an integer number (12551175).

Almost surely, 2^50172413 is an apocalyptic number.

It is an amenable number.

50172413 is a deficient number, since it is larger than the sum of its proper divisors (32287).

50172413 is a wasteful number, since it uses less digits than its factorization.

50172413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32286.

The product of its (nonzero) digits is 840, while the sum is 23.

The square root of 50172413 is about 7083.2487602794. The cubic root of 50172413 is about 368.8261140210.

Adding to 50172413 its reverse (31427105), we get a palindrome (81599518).

The spelling of 50172413 in words is "fifty million, one hundred seventy-two thousand, four hundred thirteen".