55030142 has 8 divisors (see below), whose sum is σ = 82588800. Its totient is φ = 27500544.

The previous prime is 55030051. The next prime is 55030163. The reversal of 55030142 is 24103055.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1667 + ... + 10622.

It is an arithmetic number, because the mean of its divisors is an integer number (10323600).

Almost surely, 2^55030142 is an apocalyptic number.

55030142 is a deficient number, since it is larger than the sum of its proper divisors (27558658).

55030142 is a wasteful number, since it uses less digits than its factorization.

55030142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14530.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 55030142 is about 7418.2303819712. The cubic root of 55030142 is about 380.3647052636.

Adding to 55030142 its reverse (24103055), we get a palindrome (79133197).

The spelling of 55030142 in words is "fifty-five million, thirty thousand, one hundred forty-two".