55004202 has 48 divisors (see below), whose sum is σ = 136861920. Its totient is φ = 15789600.

The previous prime is 55004189. The next prime is 55004207. The reversal of 55004202 is 20240055.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (55004207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3549 + ... + 11072.

It is an arithmetic number, because the mean of its divisors is an integer number (2851290).

Almost surely, 2^55004202 is an apocalyptic number.

55004202 is an abundant number, since it is smaller than the sum of its proper divisors (81857718).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55004202 is a wasteful number, since it uses less digits than its factorization.

55004202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14659 (or 14656 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 55004202 is about 7416.4817804671. The cubic root of 55004202 is about 380.3049306818.

Adding to 55004202 its reverse (20240055), we get a palindrome (75244257).

The spelling of 55004202 in words is "fifty-five million, four thousand, two hundred two".