50279013 has 12 divisors (see below), whose sum is σ = 76897548. Its totient is φ = 31547520.

The previous prime is 50279003. The next prime is 50279023. The reversal of 50279013 is 31097205.

It is an interprime number because it is at equal distance from previous prime (50279003) and next prime (50279023).

It can be written as a sum of positive squares in 2 ways, for example, as 44315649 + 5963364 = 6657^2 + 2442^2 .

It is not a de Polignac number, because 50279013 - 2⁵ = 50278981 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50279003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 164158 + ... + 164463.

It is an arithmetic number, because the mean of its divisors is an integer number (6408129).

Almost surely, 2^50279013 is an apocalyptic number.

It is an amenable number.

50279013 is a deficient number, since it is larger than the sum of its proper divisors (26618535).

50279013 is a wasteful number, since it uses less digits than its factorization.

50279013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328644 (or 328641 counting only the distinct ones).

The product of its (nonzero) digits is 1890, while the sum is 27.

The square root of 50279013 is about 7090.7695633126. The cubic root of 50279013 is about 369.0871409417.

The spelling of 50279013 in words is "fifty million, two hundred seventy-nine thousand, thirteen".