50855772 has 96 divisors (see below), whose sum is σ = 138910464. Its totient is φ = 14310400.

The previous prime is 50855767. The next prime is 50855801. The reversal of 50855772 is 27755805.

It is a self number, because there is not a number n which added to its sum of digits gives 50855772.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293878 + ... + 294050.

It is an arithmetic number, because the mean of its divisors is an integer number (1446984).

Almost surely, 2^50855772 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 50855772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69455232).

50855772 is an abundant number, since it is smaller than the sum of its proper divisors (88054692).

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

50855772 is a wasteful number, since it uses less digits than its factorization.

50855772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339 (or 337 counting only the distinct ones).

The product of its (nonzero) digits is 98000, while the sum is 39.

The square root of 50855772 is about 7131.3232993604. The cubic root of 50855772 is about 370.4930655563.

It can be divided in two parts, 508 and 55772, that added together give a triangular number (56280 = T₃₃₅).

The spelling of 50855772 in words is "fifty million, eight hundred fifty-five thousand, seven hundred seventy-two".