50617440 has 96 divisors (see below), whose sum is σ = 177176160. Its totient is φ = 13496832.

The previous prime is 50617439. The next prime is 50617447. The reversal of 50617440 is 4471605.

50617440 is a `hidden beast` number, since 5 + 0 + 617 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50617447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539 + ... + 10178.

It is an arithmetic number, because the mean of its divisors is an integer number (1845585).

Almost surely, 2^50617440 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 50617440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88588080).

50617440 is an abundant number, since it is smaller than the sum of its proper divisors (126558720).

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

50617440 is a wasteful number, since it uses less digits than its factorization.

50617440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11741 (or 11727 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 50617440 is about 7114.5934528967. The cubic root of 50617440 is about 369.9133958494.

The spelling of 50617440 in words is "fifty million, six hundred seventeen thousand, four hundred forty".