55425424255 has 4 divisors (see below), whose sum is σ = 66510509112. Its totient is φ = 44340339400.

The previous prime is 55425424247. The next prime is 55425424259. The reversal of 55425424255 is 55242452455.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55242452455 = 5 ⋅11048490491.

It is not a de Polignac number, because 55425424255 - 2³ = 55425424247 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 (55425424259) 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, 5542542421 + ... + 5542542430.

It is an arithmetic number, because the mean of its divisors is an integer number (16627627278).

Almost surely, 2^55425424255 is an apocalyptic number.

55425424255 is a deficient number, since it is larger than the sum of its proper divisors (11085084857).

55425424255 is a wasteful number, since it uses less digits than its factorization.

55425424255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11085084856.

The product of its digits is 1600000, while the sum is 43.

The spelling of 55425424255 in words is "fifty-five billion, four hundred twenty-five million, four hundred twenty-four thousand, two hundred fifty-five".