55512245 has 8 divisors (see below), whose sum is σ = 66788280. Its totient is φ = 44294080.

The previous prime is 55512241. The next prime is 55512287. The reversal of 55512245 is 54221555.

It can be written as a sum of positive squares in 4 ways, for example, as 128881 + 55383364 = 359^2 + 7442^2 .

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

It is not a de Polignac number, because 55512245 - 2² = 55512241 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55512241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12326 + ... + 16215.

It is an arithmetic number, because the mean of its divisors is an integer number (8348535).

Almost surely, 2^55512245 is an apocalyptic number.

It is an amenable number.

55512245 is a deficient number, since it is larger than the sum of its proper divisors (11276035).

55512245 is a wasteful number, since it uses less digits than its factorization.

55512245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28935.

The product of its digits is 10000, while the sum is 29.

The square root of 55512245 is about 7450.6539981400. The cubic root of 55512245 is about 381.4722319866.

The spelling of 55512245 in words is "fifty-five million, five hundred twelve thousand, two hundred forty-five".