42556525554 has 8 divisors (see below), whose sum is σ = 85113051120. Its totient is φ = 14185508516.

The previous prime is 42556525547. The next prime is 42556525607. The reversal of 42556525554 is 45552565524.

It is a happy number.

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

42556525554 is an admirable number.

It is a super-2 number, since 2×42556525554² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3546377124 + ... + 3546377135.

It is an arithmetic number, because the mean of its divisors is an integer number (10639131390).

Almost surely, 2^42556525554 is an apocalyptic number.

42556525554 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42556525554 is a wasteful number, since it uses less digits than its factorization.

42556525554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7092754264.

The product of its digits is 6000000, while the sum is 48.

The spelling of 42556525554 in words is "forty-two billion, five hundred fifty-six million, five hundred twenty-five thousand, five hundred fifty-four".