50779008 has 128 divisors (see below), whose sum is σ = 171360000. Its totient is φ = 14501376.

The previous prime is 50778997. The next prime is 50779013. The reversal of 50779008 is 80097705.

It is a tau number, because it is divible by the number of its divisors (128).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23143 + ... + 25241.

It is an arithmetic number, because the mean of its divisors is an integer number (1338750).

Almost surely, 2^50779008 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 50779008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85680000).

50779008 is an abundant number, since it is smaller than the sum of its proper divisors (120580992).

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

50779008 is a wasteful number, since it uses less digits than its factorization.

50779008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2129 (or 2111 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 50779008 is about 7125.9390960069. The cubic root of 50779008 is about 370.3065586933.

The spelling of 50779008 in words is "fifty million, seven hundred seventy-nine thousand, eight".