50829440 has 64 divisors (see below), whose sum is σ = 124407360. Its totient is φ = 19848192.

The previous prime is 50829341. The next prime is 50829451. The reversal of 50829440 is 4492805.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 50829397 and 50829406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26597 + ... + 28443.

It is an arithmetic number, because the mean of its divisors is an integer number (1943865).

Almost surely, 2^50829440 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 50829440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62203680).

50829440 is an abundant number, since it is smaller than the sum of its proper divisors (73577920).

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

50829440 is a wasteful number, since it uses less digits than its factorization.

50829440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 1897 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 50829440 is about 7129.4768391517. The cubic root of 50829440 is about 370.4291101305.

The spelling of 50829440 in words is "fifty million, eight hundred twenty-nine thousand, four hundred forty".