53553040400 has 60 divisors (see below), whose sum is σ = 129987677652. Its totient is φ = 21200363520.

The previous prime is 53553040391. The next prime is 53553040441. The reversal of 53553040400 is 404035535.

It can be written as a sum of positive squares in 6 ways, for example, as 2929840384 + 50623200016 = 54128^2 + 224996^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 651317 + ... + 728916.

Almost surely, 2^53553040400 is an apocalyptic number.

53553040400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

53553040400 is an abundant number, since it is smaller than the sum of its proper divisors (76434637252).

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

53553040400 is a wasteful number, since it uses less digits than its factorization.

53553040400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380348 (or 1380337 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 53553040400 its reverse (404035535), we get a palindrome (53957075935).

The spelling of 53553040400 in words is "fifty-three billion, five hundred fifty-three million, forty thousand, four hundred".