53228438 has 4 divisors (see below), whose sum is σ = 79842660. Its totient is φ = 26614218.

The previous prime is 53228423. The next prime is 53228477. The reversal of 53228438 is 83482235.

53228438 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83482235 = 5 ⋅16696447.

It is a super-2 number, since 2×53228438² = 5666533223839688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53228398 and 53228407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13307108 + ... + 13307111.

It is an arithmetic number, because the mean of its divisors is an integer number (19960665).

Almost surely, 2^53228438 is an apocalyptic number.

53228438 is a deficient number, since it is larger than the sum of its proper divisors (26614222).

53228438 is a wasteful number, since it uses less digits than its factorization.

53228438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26614221.

The product of its digits is 46080, while the sum is 35.

The square root of 53228438 is about 7295.7822061791. The cubic root of 53228438 is about 376.1674738704.

The spelling of 53228438 in words is "fifty-three million, two hundred twenty-eight thousand, four hundred thirty-eight".