50779872 has 240 divisors, whose sum is σ = 176731632. Its totient is φ = 14100480.

The previous prime is 50779811. The next prime is 50779907. The reversal of 50779872 is 27897705.

50779872 is a `hidden beast` number, since 507 + 79 + 8 + 72 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 370588 + ... + 370724.

Almost surely, 2^50779872 is an apocalyptic number.

50779872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50779872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88365816).

50779872 is an abundant number, since it is smaller than the sum of its proper divisors (125951760).

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

50779872 is a wasteful number, since it uses less digits than its factorization.

50779872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 166 counting only the distinct ones).

The product of its (nonzero) digits is 246960, while the sum is 45.

The square root of 50779872 is about 7125.9997193376. Note that the first 3 decimals coincide. The cubic root of 50779872 is about 370.3086589251.

The spelling of 50779872 in words is "fifty million, seven hundred seventy-nine thousand, eight hundred seventy-two".