50545151 has 4 divisors (see below), whose sum is σ = 50585304. Its totient is φ = 50505000.

The previous prime is 50545141. The next prime is 50545177. The reversal of 50545151 is 15154505.

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 50545151 - 2¹⁴ = 50528767 is a prime.

It is a super-2 number, since 2×50545151² = 5109624579225602, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50545151.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50545141) 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, 18125 + ... + 20726.

It is an arithmetic number, because the mean of its divisors is an integer number (12646326).

Almost surely, 2^50545151 is an apocalyptic number.

50545151 is a deficient number, since it is larger than the sum of its proper divisors (40153).

50545151 is a wasteful number, since it uses less digits than its factorization.

50545151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40152.

The product of its (nonzero) digits is 2500, while the sum is 26.

The square root of 50545151 is about 7109.5113052867. The cubic root of 50545151 is about 369.7372154036.

Adding to 50545151 its reverse (15154505), we get a palindrome (65699656).

The spelling of 50545151 in words is "fifty million, five hundred forty-five thousand, one hundred fifty-one".