50915340 has 144 divisors (see below), whose sum is σ = 186967872. Its totient is φ = 10948608.

The previous prime is 50915339. The next prime is 50915341. The reversal of 50915340 is 4351905.

50915340 is a `hidden beast` number, since 509 + 153 + 4 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (50915339) and next prime (50915341).

It is not an unprimeable number, because it can be changed into a prime (50915341) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20232 + ... + 22608.

It is an arithmetic number, because the mean of its divisors is an integer number (1298388).

Almost surely, 2^50915340 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 50915340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93483936).

50915340 is an abundant number, since it is smaller than the sum of its proper divisors (136052532).

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

50915340 is a wasteful number, since it uses less digits than its factorization.

50915340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 50915340 is about 7135.4985810383. The cubic root of 50915340 is about 370.6376634973.

The spelling of 50915340 in words is "fifty million, nine hundred fifteen thousand, three hundred forty".