55021453201 has 48 divisors (see below), whose sum is σ = 66145628160. Its totient is φ = 45360207360.

The previous prime is 55021453171. The next prime is 55021453213. The reversal of 55021453201 is 10235412055.

It is not a de Polignac number, because 55021453201 - 2¹¹ = 55021451153 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55021453201.

It is not an unprimeable number, because it can be changed into a prime (55021453271) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 43018480 + ... + 43019758.

It is an arithmetic number, because the mean of its divisors is an integer number (1378033920).

Almost surely, 2^55021453201 is an apocalyptic number.

It is an amenable number.

55021453201 is a deficient number, since it is larger than the sum of its proper divisors (11124174959).

55021453201 is a wasteful number, since it uses less digits than its factorization.

55021453201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706 (or 1693 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

Adding to 55021453201 its reverse (10235412055), we get a palindrome (65256865256).

The spelling of 55021453201 in words is "fifty-five billion, twenty-one million, four hundred fifty-three thousand, two hundred one".