55225333401 has 32 divisors (see below), whose sum is σ = 84553421568. Its totient is φ = 31407298560.

The previous prime is 55225333399. The next prime is 55225333409. The reversal of 55225333401 is 10433352255.

It is not a de Polignac number, because 55225333401 - 2¹ = 55225333399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55225333409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15368461 + ... + 15372053.

It is an arithmetic number, because the mean of its divisors is an integer number (2642294424).

Almost surely, 2^55225333401 is an apocalyptic number.

It is an amenable number.

55225333401 is a deficient number, since it is larger than the sum of its proper divisors (29328088167).

55225333401 is a wasteful number, since it uses less digits than its factorization.

55225333401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6881.

The product of its (nonzero) digits is 54000, while the sum is 33.

Adding to 55225333401 its reverse (10433352255), we get a palindrome (65658685656).

The spelling of 55225333401 in words is "fifty-five billion, two hundred twenty-five million, three hundred thirty-three thousand, four hundred one".