50139015 has 8 divisors (see below), whose sum is σ = 80222448. Its totient is φ = 26740800.

The previous prime is 50138969. The next prime is 50139029. The reversal of 50139015 is 51093105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50139015 - 2¹² = 50134919 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1671286 + ... + 1671315.

It is an arithmetic number, because the mean of its divisors is an integer number (10027806).

Almost surely, 2^50139015 is an apocalyptic number.

50139015 is a deficient number, since it is larger than the sum of its proper divisors (30083433).

50139015 is a wasteful number, since it uses less digits than its factorization.

50139015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3342609.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 50139015 is about 7080.8908337864. The cubic root of 50139015 is about 368.7442576909.

It can be divided in two parts, 5013 and 9015, that added together give a triangular number (14028 = T₁₆₇).

The spelling of 50139015 in words is "fifty million, one hundred thirty-nine thousand, fifteen".