55403401100 has 36 divisors (see below), whose sum is σ = 121872319464. Its totient is φ = 21857777280.

The previous prime is 55403401099. The next prime is 55403401111. The reversal of 55403401100 is 110430455.

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 11 ways as a sum of consecutive naturals, for example, 3787454 + ... + 3802053.

Almost surely, 2^55403401100 is an apocalyptic number.

55403401100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55403401100 is an abundant number, since it is smaller than the sum of its proper divisors (66468918364).

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

55403401100 is a wasteful number, since it uses less digits than its factorization.

55403401100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7589594 (or 7589587 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

Adding to 55403401100 its reverse (110430455), we get a palindrome (55513831555).

The spelling of 55403401100 in words is "fifty-five billion, four hundred three million, four hundred one thousand, one hundred".