55620202 has 16 divisors (see below), whose sum is σ = 94154400. Its totient is φ = 24409840.

The previous prime is 55620181. The next prime is 55620203. The reversal of 55620202 is 20202655.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (55620203) 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, 42952 + ... + 44227.

It is an arithmetic number, because the mean of its divisors is an integer number (5884650).

Almost surely, 2^55620202 is an apocalyptic number.

55620202 is a deficient number, since it is larger than the sum of its proper divisors (38534198).

55620202 is a wasteful number, since it uses less digits than its factorization.

55620202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87221.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 55620202 is about 7457.8952795008. The cubic root of 55620202 is about 381.7193602255.

Adding to 55620202 its reverse (20202655), we get a palindrome (75822857).

The spelling of 55620202 in words is "fifty-five million, six hundred twenty thousand, two hundred two".