55442202154 has 16 divisors (see below), whose sum is σ = 86648299776. Its totient is φ = 26576150400.

The previous prime is 55442202149. The next prime is 55442202157. The reversal of 55442202154 is 45120224455.

It is not an unprimeable number, because it can be changed into a prime (55442202157) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4172007 + ... + 4185274.

It is an arithmetic number, because the mean of its divisors is an integer number (5415518736).

Almost surely, 2^55442202154 is an apocalyptic number.

55442202154 is a deficient number, since it is larger than the sum of its proper divisors (31206097622).

55442202154 is a wasteful number, since it uses less digits than its factorization.

55442202154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8357421.

The product of its (nonzero) digits is 64000, while the sum is 34.

The spelling of 55442202154 in words is "fifty-five billion, four hundred forty-two million, two hundred two thousand, one hundred fifty-four".