53503032420324 has 36 divisors (see below), whose sum is σ = 138899013599164. Its totient is φ = 17352334838592.

The previous prime is 53503032420323. The next prime is 53503032420371. The reversal of 53503032420324 is 42302423030535.

It is a happy number.

53503032420324 is a `hidden beast` number, since 5 + 3 + 5 + 0 + 3 + 0 + 324 + 2 + 0 + 324 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 36151142306724 + 17351890113600 = 6012582^2 + 4165560^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×53503032420324³ (a number of 42 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (53503032420323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20083719547 + ... + 20083722210.

Almost surely, 2^{53503032420324} is an apocalyptic number.

It is an amenable number.

53503032420324 is an abundant number, since it is smaller than the sum of its proper divisors (85395981178840).

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

53503032420324 is a wasteful number, since it uses less digits than its factorization.

53503032420324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40167441804 (or 40167441799 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 36.

Adding to 53503032420324 its reverse (42302423030535), we get a palindrome (95805455450859).

The spelling of 53503032420324 in words is "fifty-three trillion, five hundred three billion, thirty-two million, four hundred twenty thousand, three hundred twenty-four".