50551140 has 24 divisors (see below), whose sum is σ = 141543360. Its totient is φ = 13480288.

The previous prime is 50551133. The next prime is 50551159. The reversal of 50551140 is 4115505.

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 7 ways as a sum of consecutive naturals, for example, 421200 + ... + 421319.

It is an arithmetic number, because the mean of its divisors is an integer number (5897640).

Almost surely, 2^50551140 is an apocalyptic number.

It is an amenable number.

50551140 is an abundant number, since it is smaller than the sum of its proper divisors (90992220).

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

50551140 is a wasteful number, since it uses less digits than its factorization.

50551140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 842531 (or 842529 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 50551140 is about 7109.9324891310. The cubic root of 50551140 is about 369.7518179830.

Adding to 50551140 its reverse (4115505), we get a palindrome (54666645).

The spelling of 50551140 in words is "fifty million, five hundred fifty-one thousand, one hundred forty".