55553253085 has 16 divisors (see below), whose sum is σ = 72768267072. Its totient is φ = 40377916800.

The previous prime is 55553253083. The next prime is 55553253139. The reversal of 55553253085 is 58035235555.

It is a happy number.

It is not a de Polignac number, because 55553253085 - 2¹ = 55553253083 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 (55553253083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 213651 + ... + 395920.

It is an arithmetic number, because the mean of its divisors is an integer number (4548016692).

Almost surely, 2^55553253085 is an apocalyptic number.

55553253085 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55553253085 is a deficient number, since it is larger than the sum of its proper divisors (17215013987).

55553253085 is a wasteful number, since it uses less digits than its factorization.

55553253085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611244.

The product of its (nonzero) digits is 2250000, while the sum is 46.

The spelling of 55553253085 in words is "fifty-five billion, five hundred fifty-three million, two hundred fifty-three thousand, eighty-five".