55704142 has 16 divisors (see below), whose sum is σ = 91511280. Its totient is φ = 25273152.

The previous prime is 55704133. The next prime is 55704161. The reversal of 55704142 is 24140755.

It is a self number, because there is not a number n which added to its sum of digits gives 55704142.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16623 + ... + 19690.

It is an arithmetic number, because the mean of its divisors is an integer number (5719455).

Almost surely, 2^55704142 is an apocalyptic number.

55704142 is a deficient number, since it is larger than the sum of its proper divisors (35807138).

55704142 is a wasteful number, since it uses less digits than its factorization.

55704142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36387.

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 55704142 is about 7463.5207509593. The cubic root of 55704142 is about 381.9112893976.

Adding to 55704142 its reverse (24140755), we get a palindrome (79844897).

The spelling of 55704142 in words is "fifty-five million, seven hundred four thousand, one hundred forty-two".