55142301 has 4 divisors (see below), whose sum is σ = 73523072. Its totient is φ = 36761532.

The previous prime is 55142291. The next prime is 55142309. The reversal of 55142301 is 10324155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 55142301 - 2¹⁰ = 55141277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55142309) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9190381 + ... + 9190386.

It is an arithmetic number, because the mean of its divisors is an integer number (18380768).

Almost surely, 2^55142301 is an apocalyptic number.

It is an amenable number.

55142301 is a deficient number, since it is larger than the sum of its proper divisors (18380771).

55142301 is a wasteful number, since it uses less digits than its factorization.

55142301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18380770.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 55142301 is about 7425.7862210004. The cubic root of 55142301 is about 380.6229417680.

Adding to 55142301 its reverse (10324155), we get a palindrome (65466456).

The spelling of 55142301 in words is "fifty-five million, one hundred forty-two thousand, three hundred one".