55142342251 has 8 divisors (see below), whose sum is σ = 55874286000. Its totient is φ = 54414409728.

The previous prime is 55142342239. The next prime is 55142342263. The reversal of 55142342251 is 15224324155.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (55142342239) and next prime (55142342263).

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

It is a cyclic number.

It is not a de Polignac number, because 55142342251 - 2⁵ = 55142342219 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55142342851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 975126 + ... + 1030123.

It is an arithmetic number, because the mean of its divisors is an integer number (6984285750).

Almost surely, 2^55142342251 is an apocalyptic number.

55142342251 is a deficient number, since it is larger than the sum of its proper divisors (731943749).

55142342251 is a wasteful number, since it uses less digits than its factorization.

55142342251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2005613.

The product of its digits is 48000, while the sum is 34.

The spelling of 55142342251 in words is "fifty-five billion, one hundred forty-two million, three hundred forty-two thousand, two hundred fifty-one".