55300025550140 has 96 divisors (see below), whose sum is σ = 145060256968704. Its totient is φ = 17269078164480.

The previous prime is 55300025550137. The next prime is 55300025550163. The reversal of 55300025550140 is 4105552000355.

It is a super-2 number, since 2×55300025550140² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 55300025550140.

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 31 ways as a sum of consecutive naturals, for example, 374689202 + ... + 374836761.

It is an arithmetic number, because the mean of its divisors is an integer number (1511044343424).

Almost surely, 2^{55300025550140} is an apocalyptic number.

It is an amenable number.

55300025550140 is an abundant number, since it is smaller than the sum of its proper divisors (89760231418564).

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

55300025550140 is a wasteful number, since it uses less digits than its factorization.

55300025550140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749526027 (or 749526025 counting only the distinct ones).

The product of its (nonzero) digits is 75000, while the sum is 35.

Adding to 55300025550140 its reverse (4105552000355), we get a palindrome (59405577550495).

The spelling of 55300025550140 in words is "fifty-five trillion, three hundred billion, twenty-five million, five hundred fifty thousand, one hundred forty".