55863495523 has 4 divisors (see below), whose sum is σ = 60941995128. Its totient is φ = 50784995920.

The previous prime is 55863495481. The next prime is 55863495547. The reversal of 55863495523 is 32559436855.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55863495523 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55863495323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2539249786 + ... + 2539249807.

It is an arithmetic number, because the mean of its divisors is an integer number (15235498782).

Almost surely, 2^55863495523 is an apocalyptic number.

55863495523 is a deficient number, since it is larger than the sum of its proper divisors (5078499605).

55863495523 is a wasteful number, since it uses less digits than its factorization.

55863495523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5078499604.

The product of its digits is 19440000, while the sum is 55.

The spelling of 55863495523 in words is "fifty-five billion, eight hundred sixty-three million, four hundred ninety-five thousand, five hundred twenty-three".