50551471 has 4 divisors (see below), whose sum is σ = 50637312. Its totient is φ = 50465632.

The previous prime is 50551469. The next prime is 50551477. The reversal of 50551471 is 17415505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50551471 - 2¹ = 50551469 is a prime.

It is a super-3 number, since 3×50551471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50551477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42031 + ... + 43216.

It is an arithmetic number, because the mean of its divisors is an integer number (12659328).

Almost surely, 2^50551471 is an apocalyptic number.

50551471 is a deficient number, since it is larger than the sum of its proper divisors (85841).

50551471 is an equidigital number, since it uses as much as digits as its factorization.

50551471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85840.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 50551471 is about 7109.9557663884. The cubic root of 50551471 is about 369.7526250045.

Adding to 50551471 its reverse (17415505), we get a palindrome (67966976).

The spelling of 50551471 in words is "fifty million, five hundred fifty-one thousand, four hundred seventy-one".