55202401 has 8 divisors (see below), whose sum is σ = 55692800. Its totient is φ = 54714528.

The previous prime is 55202363. The next prime is 55202419. The reversal of 55202401 is 10420255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55202401 - 2¹⁵ = 55169633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55202431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90640 + ... + 91246.

It is an arithmetic number, because the mean of its divisors is an integer number (6961600).

Almost surely, 2^55202401 is an apocalyptic number.

It is an amenable number.

55202401 is a deficient number, since it is larger than the sum of its proper divisors (490399).

55202401 is a wasteful number, since it uses less digits than its factorization.

55202401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263.

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 55202401 is about 7429.8318285140. The cubic root of 55202401 is about 380.7611728097.

Adding to 55202401 its reverse (10420255), we get a palindrome (65622656).

It can be divided in two parts, 5520 and 2401, that added together give a square (7921 = 89²).

The spelling of 55202401 in words is "fifty-five million, two hundred two thousand, four hundred one".