50438403 has 16 divisors (see below), whose sum is σ = 75018240. Its totient is φ = 33493032.

The previous prime is 50438387. The next prime is 50438413. The reversal of 50438403 is 30483405.

It is a happy number.

50438403 is nontrivially palindromic in base 16.

It is a Cunningham number, because it is equal to 7102²-1.

It is not a de Polignac number, because 50438403 - 2⁴ = 50438387 is a prime.

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

It is not an unprimeable number, because it can be changed into a prime (50438413) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3550 + ... + 10652.

It is an arithmetic number, because the mean of its divisors is an integer number (4688640).

Almost surely, 2^50438403 is an apocalyptic number.

50438403 is a deficient number, since it is larger than the sum of its proper divisors (24579837).

50438403 is a wasteful number, since it uses less digits than its factorization.

50438403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7375 (or 7369 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 50438403 is about 7101.9999295973. Note that the first 4 decimals coincide. The cubic root of 50438403 is about 369.4767451427.

The spelling of 50438403 in words is "fifty million, four hundred thirty-eight thousand, four hundred three".