55104144264420 has 48 divisors (see below), whose sum is σ = 162412214677440. Its totient is φ = 13921046971776.

The previous prime is 55104144264409. The next prime is 55104144264427. The reversal of 55104144264420 is 2446244140155.

It is a happy number.

It is a super-2 number, since 2×55104144264420² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55104144264427) 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, 24168483187 + ... + 24168485466.

It is an arithmetic number, because the mean of its divisors is an integer number (3383587805780).

Almost surely, 2^{55104144264420} is an apocalyptic number.

It is an amenable number.

55104144264420 is an abundant number, since it is smaller than the sum of its proper divisors (107308070413020).

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

55104144264420 is a wasteful number, since it uses less digits than its factorization.

55104144264420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48336968684 (or 48336968682 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 55104144264420 in words is "fifty-five trillion, one hundred four billion, one hundred forty-four million, two hundred sixty-four thousand, four hundred twenty".