55051105400 has 48 divisors (see below), whose sum is σ = 134730346200. Its totient is φ = 20861470080.

The previous prime is 55051105387. The next prime is 55051105411. The reversal of 55051105400 is 450115055.

It is a self number, because there is not a number n which added to its sum of digits gives 55051105400.

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 11 ways as a sum of consecutive naturals, for example, 7239767 + ... + 7247366.

Almost surely, 2^55051105400 is an apocalyptic number.

55051105400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55051105400 is an abundant number, since it is smaller than the sum of its proper divisors (79679240800).

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

55051105400 is a wasteful number, since it uses less digits than its factorization.

55051105400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14487168 (or 14487159 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 55051105400 in words is "fifty-five billion, fifty-one million, one hundred five thousand, four hundred".