55665302000 has 160 divisors (see below), whose sum is σ = 167811830784. Its totient is φ = 17350176000.

The previous prime is 55665301961. The next prime is 55665302057. The reversal of 55665302000 is 20356655.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 26732 + ... + 334731.

Almost surely, 2^55665302000 is an apocalyptic number.

55665302000 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 55665302000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83905915392).

55665302000 is an abundant number, since it is smaller than the sum of its proper divisors (112146528784).

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

55665302000 is a wasteful number, since it uses less digits than its factorization.

55665302000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361504 (or 361488 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 32.

Adding to 55665302000 its reverse (20356655), we get a palindrome (55685658655).

The spelling of 55665302000 in words is "fifty-five billion, six hundred sixty-five million, three hundred two thousand".