5512021400 has 48 divisors (see below), whose sum is σ = 12879942000. Its totient is φ = 2193713280.

The previous prime is 5512021399. The next prime is 5512021409. The reversal of 5512021400 is 41202155.

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 (5512021409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29447 + ... + 109046.

It is an arithmetic number, because the mean of its divisors is an integer number (268332125).

Almost surely, 2^5512021400 is an apocalyptic number.

5512021400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5512021400 is an abundant number, since it is smaller than the sum of its proper divisors (7367920600).

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

5512021400 is a wasteful number, since it uses less digits than its factorization.

5512021400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138708 (or 138699 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 5512021400 is about 74242.9888945751. The cubic root of 5512021400 is about 1766.4592842288.

Adding to 5512021400 its reverse (41202155), we get a palindrome (5553223555).

The spelling of 5512021400 in words is "five billion, five hundred twelve million, twenty-one thousand, four hundred".