55120003044510 has 32 divisors (see below), whose sum is σ = 132351945593760. Its totient is φ = 14691563224448.

The previous prime is 55120003044503. The next prime is 55120003044529. The reversal of 55120003044510 is 1544030002155.

It is a super-2 number, since 2×55120003044510² (a number of 28 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 443952777 + ... + 444076916.

It is an arithmetic number, because the mean of its divisors is an integer number (4135998299805).

Almost surely, 2^{55120003044510} is an apocalyptic number.

55120003044510 is an abundant number, since it is smaller than the sum of its proper divisors (77231942549250).

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

55120003044510 is a wasteful number, since it uses less digits than its factorization.

55120003044510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888031772.

The product of its (nonzero) digits is 12000, while the sum is 30.

Adding to 55120003044510 its reverse (1544030002155), we get a palindrome (56664033046665).

The spelling of 55120003044510 in words is "fifty-five trillion, one hundred twenty billion, three million, forty-four thousand, five hundred ten".