55325230000000 has 512 divisors, whose sum is σ = 140227726953600. Its totient is φ = 21740160000000.

The previous prime is 55325229999997. The next prime is 55325230000081. The reversal of 55325230000000 is 3252355.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 55325230000000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 205669999866 + ... + 205670000134.

Almost surely, 2^{55325230000000} is an apocalyptic number.

55325230000000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55325230000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70113863476800).

55325230000000 is an abundant number, since it is smaller than the sum of its proper divisors (84902496953600).

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

55325230000000 is an frugal number, since it uses more digits than its factorization.

55325230000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 25.

Adding to 55325230000000 its reverse (3252355), we get a palindrome (55325233252355).

The spelling of 55325230000000 in words is "fifty-five trillion, three hundred twenty-five billion, two hundred thirty million", and thus it is an aban number.