55839142 has 8 divisors (see below), whose sum is σ = 86022576. Its totient is φ = 27164952.

The previous prime is 55839137. The next prime is 55839151. The reversal of 55839142 is 24193855.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is an unprimeable number.

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, 377218 + ... + 377365.

It is an arithmetic number, because the mean of its divisors is an integer number (10752822).

Almost surely, 2^55839142 is an apocalyptic number.

55839142 is a deficient number, since it is larger than the sum of its proper divisors (30183434).

55839142 is a wasteful number, since it uses less digits than its factorization.

55839142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754622.

The product of its digits is 43200, while the sum is 37.

The square root of 55839142 is about 7472.5592670784. The cubic root of 55839142 is about 382.2195634780.

The spelling of 55839142 in words is "fifty-five million, eight hundred thirty-nine thousand, one hundred forty-two".