55513243230 has 16 divisors (see below), whose sum is σ = 133231783824. Its totient is φ = 14803531520.

The previous prime is 55513243213. The next prime is 55513243237. The reversal of 55513243230 is 3234231555.

It is a junction number, because it is equal to n+sod(n) for n = 55513243191 and 55513243200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55513243237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 925220691 + ... + 925220750.

It is an arithmetic number, because the mean of its divisors is an integer number (8326986489).

Almost surely, 2^55513243230 is an apocalyptic number.

55513243230 is an abundant number, since it is smaller than the sum of its proper divisors (77718540594).

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

55513243230 is a wasteful number, since it uses less digits than its factorization.

55513243230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1850441451.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 55513243230 its reverse (3234231555), we get a palindrome (58747474785).

The spelling of 55513243230 in words is "fifty-five billion, five hundred thirteen million, two hundred forty-three thousand, two hundred thirty".