55423040135 has 32 divisors (see below), whose sum is σ = 69330816000. Its totient is φ = 42481008640.

The previous prime is 55423040119. The next prime is 55423040191. The reversal of 55423040135 is 53104032455.

It is a happy number.

It is not a de Polignac number, because 55423040135 - 2⁴ = 55423040119 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12432827 + ... + 12437283.

It is an arithmetic number, because the mean of its divisors is an integer number (2166588000).

Almost surely, 2^55423040135 is an apocalyptic number.

55423040135 is a deficient number, since it is larger than the sum of its proper divisors (13907775865).

55423040135 is a wasteful number, since it uses less digits than its factorization.

55423040135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5131.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 55423040135 in words is "fifty-five billion, four hundred twenty-three million, forty thousand, one hundred thirty-five".