50451312 has 20 divisors (see below), whose sum is σ = 130332680. Its totient is φ = 16817088.

The previous prime is 50451307. The next prime is 50451319. The reversal of 50451312 is 21315405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50451319) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 525487 + ... + 525582.

It is an arithmetic number, because the mean of its divisors is an integer number (6516634).

Almost surely, 2^50451312 is an apocalyptic number.

It is an amenable number.

50451312 is an abundant number, since it is smaller than the sum of its proper divisors (79881368).

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

50451312 is a wasteful number, since it uses less digits than its factorization.

50451312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051080 (or 1051074 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 50451312 is about 7102.9086999623. The cubic root of 50451312 is about 369.5082632464.

Adding to 50451312 its reverse (21315405), we get a palindrome (71766717).

The spelling of 50451312 in words is "fifty million, four hundred fifty-one thousand, three hundred twelve".