50125819 has 4 divisors (see below), whose sum is σ = 52764040. Its totient is φ = 47487600.

The previous prime is 50125807. The next prime is 50125837. The reversal of 50125819 is 91852105.

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 50125819 - 2⁹ = 50125307 is a prime.

It is a super-2 number, since 2×50125819² = 5025195460841522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50125879) 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, 1319082 + ... + 1319119.

It is an arithmetic number, because the mean of its divisors is an integer number (13191010).

Almost surely, 2^50125819 is an apocalyptic number.

50125819 is a deficient number, since it is larger than the sum of its proper divisors (2638221).

50125819 is a wasteful number, since it uses less digits than its factorization.

50125819 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2638220.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 50125819 is about 7079.9589688077. The cubic root of 50125819 is about 368.7119051329.

The spelling of 50125819 in words is "fifty million, one hundred twenty-five thousand, eight hundred nineteen".