50145503 has 8 divisors (see below), whose sum is σ = 53142000. Its totient is φ = 47184768.

The previous prime is 50145493. The next prime is 50145509. The reversal of 50145503 is 30554105.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50145503 is a prime.

It is a super-2 number, since 2×50145503² = 5029142942246018, which contains 22 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 (50145509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6026 + ... + 11687.

It is an arithmetic number, because the mean of its divisors is an integer number (6642750).

Almost surely, 2^50145503 is an apocalyptic number.

50145503 is a deficient number, since it is larger than the sum of its proper divisors (2996497).

50145503 is a wasteful number, since it uses less digits than its factorization.

50145503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17881.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 50145503 is about 7081.3489534128. The cubic root of 50145503 is about 368.7601622020.

Adding to 50145503 its reverse (30554105), we get a palindrome (80699608).

The spelling of 50145503 in words is "fifty million, one hundred forty-five thousand, five hundred three".