42607565055 has 128 divisors (see below), whose sum is σ = 83839795200. Its totient is φ = 20358864000.

The previous prime is 42607565027. The next prime is 42607565057. The reversal of 42607565055 is 55056570624.

It is a Cunningham number, because it is equal to 206416²-1.

It is not a de Polignac number, because 42607565055 - 2⁷ = 42607564927 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 42607565055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42607565057) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 31167982 + ... + 31169348.

It is an arithmetic number, because the mean of its divisors is an integer number (654998400).

Almost surely, 2^42607565055 is an apocalyptic number.

42607565055 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42607565055 is a deficient number, since it is larger than the sum of its proper divisors (41232230145).

42607565055 is a wasteful number, since it uses less digits than its factorization.

42607565055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1682 (or 1676 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The spelling of 42607565055 in words is "forty-two billion, six hundred seven million, five hundred sixty-five thousand, fifty-five".