53430453 has 12 divisors (see below), whose sum is σ = 79667328. Its totient is φ = 34471080.

The previous prime is 53430437. The next prime is 53430469. The reversal of 53430453 is 35403435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53430437) and next prime (53430469).

It is not a de Polignac number, because 53430453 - 2⁴ = 53430437 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53430653) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95475 + ... + 96032.

It is an arithmetic number, because the mean of its divisors is an integer number (6638944).

Almost surely, 2^53430453 is an apocalyptic number.

It is an amenable number.

53430453 is a deficient number, since it is larger than the sum of its proper divisors (26236875).

53430453 is a wasteful number, since it uses less digits than its factorization.

53430453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191544 (or 191541 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 53430453 is about 7309.6137380849. The cubic root of 53430453 is about 376.6427557676.

Adding to 53430453 its reverse (35403435), we get a palindrome (88833888).

The spelling of 53430453 in words is "fifty-three million, four hundred thirty thousand, four hundred fifty-three".