55553133140 has 24 divisors (see below), whose sum is σ = 116695068000. Its totient is φ = 22214874528.

The previous prime is 55553133067. The next prime is 55553133151. The reversal of 55553133140 is 4133135555.

It is a self number, because there is not a number n which added to its sum of digits gives 55553133140.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326942 + ... + 466901.

It is an arithmetic number, because the mean of its divisors is an integer number (4862294500).

Almost surely, 2^55553133140 is an apocalyptic number.

It is an amenable number.

55553133140 is an abundant number, since it is smaller than the sum of its proper divisors (61141934860).

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

55553133140 is a wasteful number, since it uses less digits than its factorization.

55553133140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797351 (or 797349 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 35.

Adding to 55553133140 its reverse (4133135555), we get a palindrome (59686268695).

The spelling of 55553133140 in words is "fifty-five billion, five hundred fifty-three million, one hundred thirty-three thousand, one hundred forty".