55230311605544 has 64 divisors (see below), whose sum is σ = 105837573723840. Its totient is φ = 27010227312640.

The previous prime is 55230311605541. The next prime is 55230311605591. The reversal of 55230311605544 is 44550611303255.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 55230311605495 and 55230311605504.

It is not an unprimeable number, because it can be changed into a prime (55230311605541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 590708639 + ... + 590802129.

It is an arithmetic number, because the mean of its divisors is an integer number (1653712089435).

Almost surely, 2^{55230311605544} is an apocalyptic number.

It is an amenable number.

55230311605544 is a deficient number, since it is larger than the sum of its proper divisors (50607262118296).

55230311605544 is a wasteful number, since it uses less digits than its factorization.

55230311605544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97850 (or 97846 counting only the distinct ones).

The product of its (nonzero) digits is 1080000, while the sum is 44.

Adding to 55230311605544 its reverse (44550611303255), we get a palindrome (99780922908799).

The spelling of 55230311605544 in words is "fifty-five trillion, two hundred thirty billion, three hundred eleven million, six hundred five thousand, five hundred forty-four".