55342203251 has 4 divisors (see below), whose sum is σ = 56837938512. Its totient is φ = 53846467992.

The previous prime is 55342203247. The next prime is 55342203353. The reversal of 55342203251 is 15230224355.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55342203251 - 2² = 55342203247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55342203451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 747867575 + ... + 747867648.

It is an arithmetic number, because the mean of its divisors is an integer number (14209484628).

Almost surely, 2^55342203251 is an apocalyptic number.

55342203251 is a deficient number, since it is larger than the sum of its proper divisors (1495735261).

55342203251 is a wasteful number, since it uses less digits than its factorization.

55342203251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1495735260.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 55342203251 in words is "fifty-five billion, three hundred forty-two million, two hundred three thousand, two hundred fifty-one".