50139495 has 36 divisors (see below), whose sum is σ = 101102040. Its totient is φ = 22919904.

The previous prime is 50139491. The next prime is 50139497. The reversal of 50139495 is 59493105.

It is not a de Polignac number, because 50139495 - 2² = 50139491 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50139491) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 9165 + ... + 13574.

It is an arithmetic number, because the mean of its divisors is an integer number (2808390).

Almost surely, 2^50139495 is an apocalyptic number.

50139495 is an abundant number, since it is smaller than the sum of its proper divisors (50962545).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50139495 is a wasteful number, since it uses less digits than its factorization.

50139495 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22764 (or 22754 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 50139495 is about 7080.9247277457. The cubic root of 50139495 is about 368.7454343972.

The spelling of 50139495 in words is "fifty million, one hundred thirty-nine thousand, four hundred ninety-five".