55445450100 has 72 divisors (see below), whose sum is σ = 161841933120. Its totient is φ = 14654599680.

The previous prime is 55445450087. The next prime is 55445450119. The reversal of 55445450100 is 105454455.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 783880 + ... + 851679.

Almost surely, 2^55445450100 is an apocalyptic number.

55445450100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55445450100 is an abundant number, since it is smaller than the sum of its proper divisors (106396483020).

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

55445450100 is a wasteful number, since it uses less digits than its factorization.

55445450100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1635689 (or 1635682 counting only the distinct ones).

The product of its (nonzero) digits is 40000, while the sum is 33.

The spelling of 55445450100 in words is "fifty-five billion, four hundred forty-five million, four hundred fifty thousand, one hundred".