55490398096 has 135 divisors (see below), whose sum is σ = 128501182299. Its totient is φ = 23145576384.

The previous prime is 55490397967. The next prime is 55490398109. The reversal of 55490398096 is 69089309455.

The square root of 55490398096 is 235564.

It is a perfect power (a square), and thus also a powerful number.

It is a self number, because there is not a number n which added to its sum of digits gives 55490398096.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 310002135 + ... + 310002313.

Almost surely, 2^55490398096 is an apocalyptic number.

55490398096 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

55490398096 is the 235564-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55490398096

55490398096 is an abundant number, since it is smaller than the sum of its proper divisors (73010784203).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55490398096 is an equidigital number, since it uses as much as digits as its factorization.

55490398096 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 235 counting only the distinct ones).

The product of its (nonzero) digits is 10497600, while the sum is 58.

The spelling of 55490398096 in words is "fifty-five billion, four hundred ninety million, three hundred ninety-eight thousand, ninety-six".