50611440 has 160 divisors (see below), whose sum is σ = 180345600. Its totient is φ = 11612160.

The previous prime is 50611423. The next prime is 50611441. The reversal of 50611440 is 4411605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50611441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49656 + ... + 50664.

It is an arithmetic number, because the mean of its divisors is an integer number (1127160).

Almost surely, 2^50611440 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 50611440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90172800).

50611440 is an abundant number, since it is smaller than the sum of its proper divisors (129734160).

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

50611440 is a wasteful number, since it uses less digits than its factorization.

50611440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1055 (or 1049 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 50611440 is about 7114.1717718931. The cubic root of 50611440 is about 369.8987792266.

The spelling of 50611440 in words is "fifty million, six hundred eleven thousand, four hundred forty".