50511006 has 128 divisors (see below), whose sum is σ = 145689600. Its totient is φ = 12597120.

The previous prime is 50510981. The next prime is 50511007. The reversal of 50511006 is 60011505.

50511006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 50511006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50511007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 93096 + ... + 93636.

It is an arithmetic number, because the mean of its divisors is an integer number (1138200).

Almost surely, 2^50511006 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50511006, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72844800).

50511006 is an abundant number, since it is smaller than the sum of its proper divisors (95178594).

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

50511006 is a wasteful number, since it uses less digits than its factorization.

50511006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 591 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 50511006 is about 7107.1095390461. The cubic root of 50511006 is about 369.6539398844.

It can be divided in two parts, 505 and 11006, that added together give a palindrome (11511).

The spelling of 50511006 in words is "fifty million, five hundred eleven thousand, six".