50551340 has 48 divisors (see below), whose sum is σ = 123816000. Its totient is φ = 17329536.

The previous prime is 50551337. The next prime is 50551351. The reversal of 50551340 is 4315505.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3176 + ... + 10544.

It is an arithmetic number, because the mean of its divisors is an integer number (2579500).

Almost surely, 2^50551340 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 50551340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61908000).

50551340 is an abundant number, since it is smaller than the sum of its proper divisors (73264660).

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

50551340 is a wasteful number, since it uses less digits than its factorization.

50551340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7399 (or 7383 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 50551340 is about 7109.9465539482. The cubic root of 50551340 is about 369.7523056097.

Adding to 50551340 its reverse (4315505), we get a palindrome (54866845).

The spelling of 50551340 in words is "fifty million, five hundred fifty-one thousand, three hundred forty".