42587115550 has 24 divisors (see below), whose sum is σ = 90528040656. Its totient is φ = 14601296640.

The previous prime is 42587115539. The next prime is 42587115553. The reversal of 42587115550 is 5551178524.

42587115550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 42587115497 and 42587115506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42587115553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60838387 + ... + 60839086.

It is an arithmetic number, because the mean of its divisors is an integer number (3772001694).

Almost surely, 2^42587115550 is an apocalyptic number.

42587115550 is an abundant number, since it is smaller than the sum of its proper divisors (47940925106).

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

42587115550 is a wasteful number, since it uses less digits than its factorization.

42587115550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121677492 (or 121677487 counting only the distinct ones).

The product of its (nonzero) digits is 280000, while the sum is 43.

The spelling of 42587115550 in words is "forty-two billion, five hundred eighty-seven million, one hundred fifteen thousand, five hundred fifty".