55086203357 has 4 divisors (see below), whose sum is σ = 55231549920. Its totient is φ = 54940856796.

The previous prime is 55086203323. The next prime is 55086203363. The reversal of 55086203357 is 75330268055.

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 a cyclic number.

It is not a de Polignac number, because 55086203357 - 2¹² = 55086199261 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 (55086203257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72672713 + ... + 72673470.

It is an arithmetic number, because the mean of its divisors is an integer number (13807887480).

Almost surely, 2^55086203357 is an apocalyptic number.

It is an amenable number.

55086203357 is a deficient number, since it is larger than the sum of its proper divisors (145346563).

55086203357 is a wasteful number, since it uses less digits than its factorization.

55086203357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145346562.

The product of its (nonzero) digits is 756000, while the sum is 44.

The spelling of 55086203357 in words is "fifty-five billion, eighty-six million, two hundred three thousand, three hundred fifty-seven".