55420202 has 8 divisors (see below), whose sum is σ = 86744736. Its totient is φ = 26505292.

The previous prime is 55420201. The next prime is 55420229. The reversal of 55420202 is 20202455.

55420202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (55420201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 602348 + ... + 602439.

It is an arithmetic number, because the mean of its divisors is an integer number (10843092).

Almost surely, 2^55420202 is an apocalyptic number.

55420202 is a deficient number, since it is larger than the sum of its proper divisors (31324534).

55420202 is a wasteful number, since it uses less digits than its factorization.

55420202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204812.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 55420202 is about 7444.4745952955. The cubic root of 55420202 is about 381.2612798956.

Adding to 55420202 its reverse (20202455), we get a palindrome (75622657).

The spelling of 55420202 in words is "fifty-five million, four hundred twenty thousand, two hundred two".