55213442310 has 32 divisors (see below), whose sum is σ = 142705513440. Its totient is φ = 13591001088.

The previous prime is 55213442279. The next prime is 55213442311. The reversal of 55213442310 is 1324431255.

55213442310 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×55213442310² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55213442311) 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, 70786075 + ... + 70786854.

It is an arithmetic number, because the mean of its divisors is an integer number (4459547295).

Almost surely, 2^55213442310 is an apocalyptic number.

55213442310 is an abundant number, since it is smaller than the sum of its proper divisors (87492071130).

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

55213442310 is a wasteful number, since it uses less digits than its factorization.

55213442310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141572952.

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 55213442310 its reverse (1324431255), we get a palindrome (56537873565).

The spelling of 55213442310 in words is "fifty-five billion, two hundred thirteen million, four hundred forty-two thousand, three hundred ten".