53030431 has 4 divisors (see below), whose sum is σ = 53057664. Its totient is φ = 53003200.

The previous prime is 53030413. The next prime is 53030447. The reversal of 53030431 is 13403035.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13403035 = 5 ⋅2680607.

It is a cyclic number.

It is not a de Polignac number, because 53030431 - 2¹³ = 53022239 is a prime.

It is a super-2 number, since 2×53030431² = 5624453224091522, 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 = 53030399 and 53030408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53031431) 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, 10450 + ... + 14671.

It is an arithmetic number, because the mean of its divisors is an integer number (13264416).

Almost surely, 2^53030431 is an apocalyptic number.

53030431 is a deficient number, since it is larger than the sum of its proper divisors (27233).

53030431 is a wasteful number, since it uses less digits than its factorization.

53030431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27232.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 53030431 is about 7282.1995990223. The cubic root of 53030431 is about 375.7004531966.

Adding to 53030431 its reverse (13403035), we get a palindrome (66433466).

The spelling of 53030431 in words is "fifty-three million, thirty thousand, four hundred thirty-one".