50553312 has 48 divisors (see below), whose sum is σ = 136991232. Its totient is φ = 16306560.

The previous prime is 50553289. The next prime is 50553317. The reversal of 50553312 is 21335505.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50553317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5518 + ... + 11469.

It is an arithmetic number, because the mean of its divisors is an integer number (2853984).

Almost surely, 2^50553312 is an apocalyptic number.

It is an amenable number.

50553312 is an abundant number, since it is smaller than the sum of its proper divisors (86437920).

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

50553312 is a wasteful number, since it uses less digits than its factorization.

50553312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17031 (or 17023 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 24.

The square root of 50553312 is about 7110.0852315567. The cubic root of 50553312 is about 369.7571135407.

Adding to 50553312 its reverse (21335505), we get a palindrome (71888817).

It can be divided in two parts, 50553 and 312, that multiplied together give a triangular number (15772536 = T₅₆₁₆).

The spelling of 50553312 in words is "fifty million, five hundred fifty-three thousand, three hundred twelve".