55455013200 has 120 divisors (see below), whose sum is σ = 188090425728. Its totient is φ = 13918115840.

The previous prime is 55455013171. The next prime is 55455013223. The reversal of 55455013200 is 231055455.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1338792 + ... + 1379591.

Almost surely, 2^55455013200 is an apocalyptic number.

55455013200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55455013200 is an abundant number, since it is smaller than the sum of its proper divisors (132635412528).

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

55455013200 is a wasteful number, since it uses less digits than its factorization.

55455013200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718421 (or 2718410 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

Adding to 55455013200 its reverse (231055455), we get a palindrome (55686068655).

The spelling of 55455013200 in words is "fifty-five billion, four hundred fifty-five million, thirteen thousand, two hundred".