55561202 has 8 divisors (see below), whose sum is σ = 88244316. Its totient is φ = 26146432.

The previous prime is 55561193. The next prime is 55561213. The reversal of 55561202 is 20216555.

It can be written as a sum of positive squares in 2 ways, for example, as 55368481 + 192721 = 7441^2 + 439^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 817043 + ... + 817110.

Almost surely, 2^55561202 is an apocalyptic number.

55561202 is a deficient number, since it is larger than the sum of its proper divisors (32683114).

55561202 is a wasteful number, since it uses less digits than its factorization.

55561202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634172.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 55561202 is about 7453.9386903838. The cubic root of 55561202 is about 381.5843408773.

Adding to 55561202 its reverse (20216555), we get a palindrome (75777757).

The spelling of 55561202 in words is "fifty-five million, five hundred sixty-one thousand, two hundred two".