55515245423 has 8 divisors (see below), whose sum is σ = 60566999376. Its totient is φ = 50464310400.

The previous prime is 55515245393. The next prime is 55515245449. The reversal of 55515245423 is 32454251555.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55515245423 - 2²⁶ = 55448136559 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 (55515245473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58436 + ... + 338297.

It is an arithmetic number, because the mean of its divisors is an integer number (7570874922).

Almost surely, 2^55515245423 is an apocalyptic number.

55515245423 is a deficient number, since it is larger than the sum of its proper divisors (5051753953).

55515245423 is a wasteful number, since it uses less digits than its factorization.

55515245423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409465.

The product of its digits is 600000, while the sum is 41.

Adding to 55515245423 its reverse (32454251555), we get a palindrome (87969496978).

The spelling of 55515245423 in words is "fifty-five billion, five hundred fifteen million, two hundred forty-five thousand, four hundred twenty-three".