55202124 has 12 divisors (see below), whose sum is σ = 128804984. Its totient is φ = 18400704.

The previous prime is 55202123. The next prime is 55202131. The reversal of 55202124 is 42120255.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×55202124² = 6094548988222752, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55202124.

It is not an unprimeable number, because it can be changed into a prime (55202123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2300077 + ... + 2300100.

Almost surely, 2^55202124 is an apocalyptic number.

It is an amenable number.

55202124 is an abundant number, since it is smaller than the sum of its proper divisors (73602860).

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

55202124 is a wasteful number, since it uses less digits than its factorization.

55202124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4600184 (or 4600182 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 55202124 is about 7429.8131874227. The cubic root of 55202124 is about 380.7605359351.

Adding to 55202124 its reverse (42120255), we get a palindrome (97322379).

The spelling of 55202124 in words is "fifty-five million, two hundred two thousand, one hundred twenty-four".