52438331 has 4 divisors (see below), whose sum is σ = 57205464. Its totient is φ = 47671200.

The previous prime is 52438327. The next prime is 52438333. The reversal of 52438331 is 13383425.

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 52438331 - 2² = 52438327 is a prime.

It is a super-2 number, since 2×52438331² = 5499557116131122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 52438294 and 52438303.

It is not an unprimeable number, because it can be changed into a prime (52438333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2383550 + ... + 2383571.

It is an arithmetic number, because the mean of its divisors is an integer number (14301366).

Almost surely, 2^52438331 is an apocalyptic number.

52438331 is a deficient number, since it is larger than the sum of its proper divisors (4767133).

52438331 is a wasteful number, since it uses less digits than its factorization.

52438331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4767132.

The product of its digits is 8640, while the sum is 29.

The square root of 52438331 is about 7241.4315573649. The cubic root of 52438331 is about 374.2969488152.

The spelling of 52438331 in words is "fifty-two million, four hundred thirty-eight thousand, three hundred thirty-one".