55203001 has 8 divisors (see below), whose sum is σ = 64794560. Its totient is φ = 46037808.

The previous prime is 55202951. The next prime is 55203017. The reversal of 55203001 is 10030255.

55203001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55203001 - 2¹¹ = 55200953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55203041) 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 7 ways as a sum of consecutive naturals, for example, 106311 + ... + 106828.

It is an arithmetic number, because the mean of its divisors is an integer number (8099320).

Almost surely, 2^55203001 is an apocalyptic number.

It is an amenable number.

55203001 is a deficient number, since it is larger than the sum of its proper divisors (9591559).

55203001 is a wasteful number, since it uses less digits than its factorization.

55203001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213183.

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 55203001 is about 7429.8722061688. The cubic root of 55203001 is about 380.7625523142.

Adding to 55203001 its reverse (10030255), we get a palindrome (65233256).

The spelling of 55203001 in words is "fifty-five million, two hundred three thousand, one".