55088690563 has 4 divisors (see below), whose sum is σ = 55786015840. Its totient is φ = 54391365288.

The previous prime is 55088690537. The next prime is 55088690567. The reversal of 55088690563 is 36509688055.

It is a happy number.

55088690563 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36509688055 = 5 ⋅7301937611.

It is a cyclic number.

It is not a de Polignac number, because 55088690563 - 2¹³ = 55088682371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55088690567) 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, 348662520 + ... + 348662677.

It is an arithmetic number, because the mean of its divisors is an integer number (13946503960).

Almost surely, 2^55088690563 is an apocalyptic number.

55088690563 is a deficient number, since it is larger than the sum of its proper divisors (697325277).

55088690563 is an equidigital number, since it uses as much as digits as its factorization.

55088690563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697325276.

The product of its (nonzero) digits is 7776000, while the sum is 55.

The spelling of 55088690563 in words is "fifty-five billion, eighty-eight million, six hundred ninety thousand, five hundred sixty-three".