55101310400 has 84 divisors (see below), whose sum is σ = 138890745840. Its totient is φ = 21502924800.

The previous prime is 55101310343. The next prime is 55101310403. The reversal of 55101310400 is 401310155.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55101310403) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354380 + ... + 485579.

It is an arithmetic number, because the mean of its divisors is an integer number (1653461260).

Almost surely, 2^55101310400 is an apocalyptic number.

55101310400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55101310400 is an abundant number, since it is smaller than the sum of its proper divisors (83789435440).

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

55101310400 is a wasteful number, since it uses less digits than its factorization.

55101310400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840022 (or 840007 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

Adding to 55101310400 its reverse (401310155), we get a palindrome (55502620555).

The spelling of 55101310400 in words is "fifty-five billion, one hundred one million, three hundred ten thousand, four hundred".