50025532387139 has 4 divisors (see below), whose sum is σ = 50245909182024. Its totient is φ = 49805155592256.

The previous prime is 50025532387081. The next prime is 50025532387147. The reversal of 50025532387139 is 93178323552005.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50025532387139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50025532387639) 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, 110188397102 + ... + 110188397555.

It is an arithmetic number, because the mean of its divisors is an integer number (12561477295506).

Almost surely, 2^{50025532387139} is an apocalyptic number.

50025532387139 is a deficient number, since it is larger than the sum of its proper divisors (220376794885).

50025532387139 is a wasteful number, since it uses less digits than its factorization.

50025532387139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220376794884.

The product of its (nonzero) digits is 6804000, while the sum is 53.

The spelling of 50025532387139 in words is "fifty trillion, twenty-five billion, five hundred thirty-two million, three hundred eighty-seven thousand, one hundred thirty-nine".