42055587555542 has 48 divisors (see below), whose sum is σ = 70526177064000. Its totient is φ = 18789149636400.

The previous prime is 42055587555511. The next prime is 42055587555589. The reversal of 42055587555542 is 24555578555024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89703317 + ... + 90170927.

It is an arithmetic number, because the mean of its divisors is an integer number (1469295355500).

Almost surely, 2^{42055587555542} is an apocalyptic number.

42055587555542 is a deficient number, since it is larger than the sum of its proper divisors (28470589508458).

42055587555542 is a wasteful number, since it uses less digits than its factorization.

42055587555542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473993 (or 473982 counting only the distinct ones).

The product of its (nonzero) digits is 280000000, while the sum is 62.

The spelling of 42055587555542 in words is "forty-two trillion, fifty-five billion, five hundred eighty-seven million, five hundred fifty-five thousand, five hundred forty-two".