55400223054 has 32 divisors (see below), whose sum is σ = 120903292800. Its totient is φ = 16783768800.

The previous prime is 55400223041. The next prime is 55400223071. The reversal of 55400223054 is 45032200455.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168144 + ... + 372924.

It is an arithmetic number, because the mean of its divisors is an integer number (3778227900).

Almost surely, 2^55400223054 is an apocalyptic number.

55400223054 is an abundant number, since it is smaller than the sum of its proper divisors (65503069746).

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

55400223054 is a wasteful number, since it uses less digits than its factorization.

55400223054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208896.

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 55400223054 in words is "fifty-five billion, four hundred million, two hundred twenty-three thousand, fifty-four".