55142104 has 32 divisors (see below), whose sum is σ = 109440000. Its totient is φ = 25974432.

The previous prime is 55142093. The next prime is 55142141. The reversal of 55142104 is 40124155.

55142104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 29337 + ... + 31159.

It is an arithmetic number, because the mean of its divisors is an integer number (3420000).

Almost surely, 2^55142104 is an apocalyptic number.

It is an amenable number.

55142104 is a deficient number, since it is larger than the sum of its proper divisors (54297896).

55142104 is a wasteful number, since it uses less digits than its factorization.

55142104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047 (or 2043 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 55142104 is about 7425.7729563999. The cubic root of 55142104 is about 380.6224884995.

Adding to 55142104 its reverse (40124155), we get a palindrome (95266259).

The spelling of 55142104 in words is "fifty-five million, one hundred forty-two thousand, one hundred four".