50440015 has 4 divisors (see below), whose sum is σ = 60528024. Its totient is φ = 40352008.

The previous prime is 50440009. The next prime is 50440031. The reversal of 50440015 is 51004405.

50440015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 51004405 = 5 ⋅10200881.

It is a cyclic number.

It is not a de Polignac number, because 50440015 - 2⁹ = 50439503 is a prime.

It is a super-2 number, since 2×50440015² = 5088390226400450, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50439974 and 50440001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5043997 + ... + 5044006.

It is an arithmetic number, because the mean of its divisors is an integer number (15132006).

Almost surely, 2^50440015 is an apocalyptic number.

50440015 is a deficient number, since it is larger than the sum of its proper divisors (10088009).

50440015 is a wasteful number, since it uses less digits than its factorization.

50440015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10088008.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 50440015 is about 7102.1134178496. The cubic root of 50440015 is about 369.4806812319.

The spelling of 50440015 in words is "fifty million, four hundred forty thousand, fifteen".