55276511100 has 144 divisors (see below), whose sum is σ = 162161704320. Its totient is φ = 14536454400.

The previous prime is 55276511033. The next prime is 55276511111. The reversal of 55276511100 is 111567255.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6401586 + ... + 6410214.

Almost surely, 2^55276511100 is an apocalyptic number.

55276511100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55276511100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81080852160).

55276511100 is an abundant number, since it is smaller than the sum of its proper divisors (106885193220).

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

55276511100 is a wasteful number, since it uses less digits than its factorization.

55276511100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8940 (or 8933 counting only the distinct ones).

The product of its (nonzero) digits is 10500, while the sum is 33.

The spelling of 55276511100 in words is "fifty-five billion, two hundred seventy-six million, five hundred eleven thousand, one hundred".