55025315431120 has 80 divisors (see below), whose sum is σ = 128113475569920. Its totient is φ = 21979234828800.

The previous prime is 55025315431109. The next prime is 55025315431147. The reversal of 55025315431120 is 2113451352055.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 55025315431120.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346840615 + ... + 346999225.

It is an arithmetic number, because the mean of its divisors is an integer number (1601418444624).

Almost surely, 2^{55025315431120} is an apocalyptic number.

It is an amenable number.

55025315431120 is an abundant number, since it is smaller than the sum of its proper divisors (73088160138800).

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

55025315431120 is a wasteful number, since it uses less digits than its factorization.

55025315431120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164684 (or 164678 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 37.

Adding to 55025315431120 its reverse (2113451352055), we get a palindrome (57138766783175).

The spelling of 55025315431120 in words is "fifty-five trillion, twenty-five billion, three hundred fifteen million, four hundred thirty-one thousand, one hundred twenty".