50729904 has 180 divisors, whose sum is σ = 160342416. Its totient is φ = 14936064.

The previous prime is 50729897. The next prime is 50729947. The reversal of 50729904 is 40992705.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 957142 + ... + 957194.

Almost surely, 2^50729904 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 50729904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80171208).

50729904 is an abundant number, since it is smaller than the sum of its proper divisors (109612512).

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

50729904 is a wasteful number, since it uses less digits than its factorization.

50729904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 50729904 is about 7122.4928220392. The cubic root of 50729904 is about 370.1871563499.

The spelling of 50729904 in words is "fifty million, seven hundred twenty-nine thousand, nine hundred four".