50139024 has 80 divisors (see below), whose sum is σ = 146865600. Its totient is φ = 14611968.

The previous prime is 50138969. The next prime is 50139029. The reversal of 50139024 is 42093105.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 50138985 and 50139003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50139029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9742 + ... + 13970.

It is an arithmetic number, because the mean of its divisors is an integer number (1835820).

Almost surely, 2^50139024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50139024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73432800).

50139024 is an abundant number, since it is smaller than the sum of its proper divisors (96726576).

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

50139024 is a wasteful number, since it uses less digits than its factorization.

50139024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4272 (or 4266 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 50139024 is about 7080.8914692996. The cubic root of 50139024 is about 368.7442797542.

The spelling of 50139024 in words is "fifty million, one hundred thirty-nine thousand, twenty-four".