50551263 has 64 divisors (see below), whose sum is σ = 92620800. Its totient is φ = 26611200.

The previous prime is 50551253. The next prime is 50551271. The reversal of 50551263 is 36215505.

50551263 is a `hidden beast` number, since 50 + 551 + 2 + 63 = 666.

It is not a de Polignac number, because 50551263 - 2⁴ = 50551247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50551223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 125863 + ... + 126263.

It is an arithmetic number, because the mean of its divisors is an integer number (1447200).

Almost surely, 2^50551263 is an apocalyptic number.

50551263 is a deficient number, since it is larger than the sum of its proper divisors (42069537).

50551263 is a wasteful number, since it uses less digits than its factorization.

50551263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 50551263 is about 7109.9411389969. The cubic root of 50551263 is about 369.7521178736.

Adding to 50551263 its reverse (36215505), we get a palindrome (86766768).

The spelling of 50551263 in words is "fifty million, five hundred fifty-one thousand, two hundred sixty-three".