53142523 has 16 divisors (see below), whose sum is σ = 61871040. Its totient is φ = 44706816.

The previous prime is 53142511. The next prime is 53142547. The reversal of 53142523 is 32524135.

It is not a de Polignac number, because 53142523 - 2⁵ = 53142491 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53142823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122515 + ... + 122947.

It is an arithmetic number, because the mean of its divisors is an integer number (3866940).

Almost surely, 2^53142523 is an apocalyptic number.

53142523 is a deficient number, since it is larger than the sum of its proper divisors (8728517).

53142523 is a wasteful number, since it uses less digits than its factorization.

53142523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726.

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

The square root of 53142523 is about 7289.8918373320. The cubic root of 53142523 is about 375.9649766495.

Adding to 53142523 its reverse (32524135), we get a palindrome (85666658).

The spelling of 53142523 in words is "fifty-three million, one hundred forty-two thousand, five hundred twenty-three".