55311641200 has 60 divisors (see below), whose sum is σ = 134757924048. Its totient is φ = 21813030400.

The previous prime is 55311641131. The next prime is 55311641213. The reversal of 55311641200 is 214611355.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 945397 + ... + 1002196.

Almost surely, 2^55311641200 is an apocalyptic number.

55311641200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55311641200 is an abundant number, since it is smaller than the sum of its proper divisors (79446282848).

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

55311641200 is a wasteful number, since it uses less digits than its factorization.

55311641200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1947682 (or 1947671 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The spelling of 55311641200 in words is "fifty-five billion, three hundred eleven million, six hundred forty-one thousand, two hundred".