55144121654 has 16 divisors (see below), whose sum is σ = 90407062656. Its totient is φ = 25113072000.

The previous prime is 55144121653. The next prime is 55144121663. The reversal of 55144121654 is 45612144155.

55144121654 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55144121651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26158397 + ... + 26160504.

It is an arithmetic number, because the mean of its divisors is an integer number (5650441416).

Almost surely, 2^55144121654 is an apocalyptic number.

55144121654 is a deficient number, since it is larger than the sum of its proper divisors (35262941002).

55144121654 is a wasteful number, since it uses less digits than its factorization.

55144121654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52318951.

The product of its digits is 96000, while the sum is 38.

The spelling of 55144121654 in words is "fifty-five billion, one hundred forty-four million, one hundred twenty-one thousand, six hundred fifty-four".