53140534 has 16 divisors (see below), whose sum is σ = 83784960. Its totient is φ = 25229160.

The previous prime is 53140517. The next prime is 53140537. The reversal of 53140534 is 43504135.

It is a junction number, because it is equal to n+sod(n) for n = 53140499 and 53140508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53140537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2239 + ... + 10549.

It is an arithmetic number, because the mean of its divisors is an integer number (5236560).

Almost surely, 2^53140534 is an apocalyptic number.

53140534 is a deficient number, since it is larger than the sum of its proper divisors (30644426).

53140534 is a wasteful number, since it uses less digits than its factorization.

53140534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8475.

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 53140534 is about 7289.7554142783. The cubic root of 53140534 is about 375.9602860952.

Adding to 53140534 its reverse (43504135), we get a palindrome (96644669).

The spelling of 53140534 in words is "fifty-three million, one hundred forty thousand, five hundred thirty-four".