53312523 has 32 divisors (see below), whose sum is σ = 81423360. Its totient is φ = 30735360.

The previous prime is 53312507. The next prime is 53312543. The reversal of 53312523 is 32521335.

It is a happy number.

It is not a de Polignac number, because 53312523 - 2⁴ = 53312507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53312493 and 53312502.

It is not an unprimeable number, because it can be changed into a prime (53312543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56923 + ... + 57851.

It is an arithmetic number, because the mean of its divisors is an integer number (2544480).

Almost surely, 2^53312523 is an apocalyptic number.

53312523 is a deficient number, since it is larger than the sum of its proper divisors (28110837).

53312523 is a wasteful number, since it uses less digits than its factorization.

53312523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its digits is 2700, while the sum is 24.

The square root of 53312523 is about 7301.5425082649. The cubic root of 53312523 is about 376.3654469997.

Adding to 53312523 its reverse (32521335), we get a palindrome (85833858).

It can be divided in two parts, 53312 and 523, that added together give a palindrome (53835).

The spelling of 53312523 in words is "fifty-three million, three hundred twelve thousand, five hundred twenty-three".