53618537523 has 16 divisors (see below), whose sum is σ = 78306994080. Its totient is φ = 32482899456.

The previous prime is 53618537477. The next prime is 53618537537. The reversal of 53618537523 is 32573581635.

It is not a de Polignac number, because 53618537523 - 2⁸ = 53618537267 is a prime.

It is a super-2 number, since 2×53618537523² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53618537563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18125140 + ... + 18128097.

It is an arithmetic number, because the mean of its divisors is an integer number (4894187130).

Almost surely, 2^53618537523 is an apocalyptic number.

53618537523 is a deficient number, since it is larger than the sum of its proper divisors (24688456557).

53618537523 is a wasteful number, since it uses less digits than its factorization.

53618537523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36253286.

The product of its digits is 2268000, while the sum is 48.

The spelling of 53618537523 in words is "fifty-three billion, six hundred eighteen million, five hundred thirty-seven thousand, five hundred twenty-three".