50051040 has 144 divisors (see below), whose sum is σ = 170998128. Its totient is φ = 12300288.

The previous prime is 50051033. The next prime is 50051041. The reversal of 50051040 is 4015005.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50051041) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 80812 + ... + 81428.

It is an arithmetic number, because the mean of its divisors is an integer number (1187487).

Almost surely, 2^50051040 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 50051040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85499064).

50051040 is an abundant number, since it is smaller than the sum of its proper divisors (120947088).

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

50051040 is a wasteful number, since it uses less digits than its factorization.

50051040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661 (or 640 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 50051040 is about 7074.6759643110. The cubic root of 50051040 is about 368.5284625458.

Adding to 50051040 its reverse (4015005), we get a palindrome (54066045).

The spelling of 50051040 in words is "fifty million, fifty-one thousand, forty".