55034420540 has 96 divisors (see below), whose sum is σ = 129384319680. Its totient is φ = 19489587200.

The previous prime is 55034420509. The next prime is 55034420543. The reversal of 55034420540 is 4502443055.

55034420540 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55034420497 and 55034420506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55034420543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5343716 + ... + 5354004.

It is an arithmetic number, because the mean of its divisors is an integer number (1347753330).

Almost surely, 2^55034420540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55034420540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64692159840).

55034420540 is an abundant number, since it is smaller than the sum of its proper divisors (74349899140).

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

55034420540 is a wasteful number, since it uses less digits than its factorization.

55034420540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10943 (or 10941 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 32.

Adding to 55034420540 its reverse (4502443055), we get a palindrome (59536863595).

It can be divided in two parts, 55034 and 420540, that added together give a palindrome (475574).

The spelling of 55034420540 in words is "fifty-five billion, thirty-four million, four hundred twenty thousand, five hundred forty".