55255012523 has 4 divisors (see below), whose sum is σ = 56033252208. Its totient is φ = 54476772840.

The previous prime is 55255012517. The next prime is 55255012531. The reversal of 55255012523 is 32521055255.

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 55255012523 - 2¹² = 55255008427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55255012543) 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, 389119736 + ... + 389119877.

It is an arithmetic number, because the mean of its divisors is an integer number (14008313052).

Almost surely, 2^55255012523 is an apocalyptic number.

55255012523 is a deficient number, since it is larger than the sum of its proper divisors (778239685).

55255012523 is an equidigital number, since it uses as much as digits as its factorization.

55255012523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 778239684.

The product of its (nonzero) digits is 75000, while the sum is 35.

Adding to 55255012523 its reverse (32521055255), we get a palindrome (87776067778).

The spelling of 55255012523 in words is "fifty-five billion, two hundred fifty-five million, twelve thousand, five hundred twenty-three".