53430534 has 24 divisors (see below), whose sum is σ = 116026560. Its totient is φ = 17770128.

The previous prime is 53430521. The next prime is 53430547. The reversal of 53430534 is 43503435.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (53430521) and next prime (53430547).

It is a junction number, because it is equal to n+sod(n) for n = 53430498 and 53430507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5524 + ... + 11720.

It is an arithmetic number, because the mean of its divisors is an integer number (4834440).

Almost surely, 2^53430534 is an apocalyptic number.

53430534 is an abundant number, since it is smaller than the sum of its proper divisors (62596026).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53430534 is a wasteful number, since it uses less digits than its factorization.

53430534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6684 (or 6681 counting only the distinct ones).

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

The square root of 53430534 is about 7309.6192787313. The cubic root of 53430534 is about 376.6429460963.

Adding to 53430534 its reverse (43503435), we get a palindrome (96933969).

The spelling of 53430534 in words is "fifty-three million, four hundred thirty thousand, five hundred thirty-four".