53543120004 has 54 divisors (see below), whose sum is σ = 148767776430. Its totient is φ = 16225186560.

The previous prime is 53543119963. The next prime is 53543120009. The reversal of 53543120004 is 40002134535.

53543120004 is a `hidden beast` number, since 535 + 4 + 3 + 120 + 0 + 0 + 4 = 666.

53543120004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 38683022400 + 14860097604 = 196680^2 + 121902^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 53543120004.

It is not an unprimeable number, because it can be changed into a prime (53543120009) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6141549 + ... + 6150260.

Almost surely, 2^53543120004 is an apocalyptic number.

It is an amenable number.

53543120004 is an abundant number, since it is smaller than the sum of its proper divisors (95224656426).

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

53543120004 is a wasteful number, since it uses less digits than its factorization.

53543120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12291841 (or 12291825 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

Adding to 53543120004 its reverse (40002134535), we get a palindrome (93545254539).

The spelling of 53543120004 in words is "fifty-three billion, five hundred forty-three million, one hundred twenty thousand, four".