42571550 has 24 divisors (see below), whose sum is σ = 90495696. Its totient is φ = 14595840.

The previous prime is 42571549. The next prime is 42571559. The reversal of 42571550 is 5517524.

42571550 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42571559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60467 + ... + 61166.

It is an arithmetic number, because the mean of its divisors is an integer number (3770654).

Almost surely, 2^42571550 is an apocalyptic number.

42571550 is an abundant number, since it is smaller than the sum of its proper divisors (47924146).

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

42571550 is a wasteful number, since it uses less digits than its factorization.

42571550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121652 (or 121647 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 42571550 is about 6524.6877319915. The cubic root of 42571550 is about 349.1723300068.

The spelling of 42571550 in words is "forty-two million, five hundred seventy-one thousand, five hundred fifty".