55025201 has 16 divisors (see below), whose sum is σ = 68766720. Its totient is φ = 42774480.

The previous prime is 55025171. The next prime is 55025221. The reversal of 55025201 is 10252055.

It is a de Polignac number, because none of the positive numbers 2^k-55025201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55025221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56420 + ... + 57386.

It is an arithmetic number, because the mean of its divisors is an integer number (4297920).

Almost surely, 2^55025201 is an apocalyptic number.

It is an amenable number.

55025201 is a deficient number, since it is larger than the sum of its proper divisors (13741519).

55025201 is a wasteful number, since it uses less digits than its factorization.

55025201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1724.

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 55025201 is about 7417.8973435873. The cubic root of 55025201 is about 380.3533209677.

Adding to 55025201 its reverse (10252055), we get a palindrome (65277256).

The spelling of 55025201 in words is "fifty-five million, twenty-five thousand, two hundred one".