50378817 has 4 divisors (see below), whose sum is σ = 67171760. Its totient is φ = 33585876.

The previous prime is 50378807. The next prime is 50378827. The reversal of 50378817 is 71887305.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (50378807) and next prime (50378827).

It is not a de Polignac number, because 50378817 - 2⁶ = 50378753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50378807) 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, 8396467 + ... + 8396472.

It is an arithmetic number, because the mean of its divisors is an integer number (16792940).

Almost surely, 2^50378817 is an apocalyptic number.

It is an amenable number.

50378817 is a deficient number, since it is larger than the sum of its proper divisors (16792943).

50378817 is a wasteful number, since it uses less digits than its factorization.

50378817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16792942.

The product of its (nonzero) digits is 47040, while the sum is 39.

The square root of 50378817 is about 7097.8036743770. The cubic root of 50378817 is about 369.3311925796.

The spelling of 50378817 in words is "fifty million, three hundred seventy-eight thousand, eight hundred seventeen".