42523535655 has 16 divisors (see below), whose sum is σ = 75597396960. Its totient is φ = 22679218944.

The previous prime is 42523535629. The next prime is 42523535731. The reversal of 42523535655 is 55653532524.

It is a happy number.

42523535655 is a `hidden beast` number, since 4 + 2 + 52 + 3 + 535 + 65 + 5 = 666.

It is not a de Polignac number, because 42523535655 - 2⁸ = 42523535399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 42523535655.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157494442 + ... + 157494711.

It is an arithmetic number, because the mean of its divisors is an integer number (4724837310).

Almost surely, 2^42523535655 is an apocalyptic number.

42523535655 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42523535655 is a deficient number, since it is larger than the sum of its proper divisors (33073861305).

42523535655 is a wasteful number, since it uses less digits than its factorization.

42523535655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 314989167 (or 314989161 counting only the distinct ones).

The product of its digits is 2700000, while the sum is 45.

The spelling of 42523535655 in words is "forty-two billion, five hundred twenty-three million, five hundred thirty-five thousand, six hundred fifty-five".