55552042 has 16 divisors (see below), whose sum is σ = 102557952. Its totient is φ = 21976560.

The previous prime is 55552027. The next prime is 55552069. The reversal of 55552042 is 24025555.

55552042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 55552042.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 152434 + ... + 152797.

It is an arithmetic number, because the mean of its divisors is an integer number (6409872).

Almost surely, 2^55552042 is an apocalyptic number.

55552042 is a deficient number, since it is larger than the sum of its proper divisors (47005910).

55552042 is a wasteful number, since it uses less digits than its factorization.

55552042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305253.

The product of its (nonzero) digits is 10000, while the sum is 28.

The square root of 55552042 is about 7453.3242248006. The cubic root of 55552042 is about 381.5633699807.

Adding to 55552042 its reverse (24025555), we get a palindrome (79577597).

The spelling of 55552042 in words is "fifty-five million, five hundred fifty-two thousand, forty-two".