55442311210 has 128 divisors (see below), whose sum is σ = 124418488320. Its totient is φ = 17498553600.

The previous prime is 55442311189. The next prime is 55442311217. The reversal of 55442311210 is 1211324455.

It is not an unprimeable number, because it can be changed into a prime (55442311217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1926225 + ... + 1954795.

It is an arithmetic number, because the mean of its divisors is an integer number (972019440).

Almost surely, 2^55442311210 is an apocalyptic number.

55442311210 is an abundant number, since it is smaller than the sum of its proper divisors (68976177110).

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

55442311210 is a wasteful number, since it uses less digits than its factorization.

55442311210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28684.

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 55442311210 its reverse (1211324455), we get a palindrome (56653635665).

The spelling of 55442311210 in words is "fifty-five billion, four hundred forty-two million, three hundred eleven thousand, two hundred ten".