42471550 has 96 divisors (see below), whose sum is σ = 92565504. Its totient is φ = 14352000.

The previous prime is 42471529. The next prime is 42471553. The reversal of 42471550 is 5517424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42471553) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 801324 + ... + 801376.

It is an arithmetic number, because the mean of its divisors is an integer number (964224).

Almost surely, 2^42471550 is an apocalyptic number.

42471550 is an abundant number, since it is smaller than the sum of its proper divisors (50093954).

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

42471550 is a wasteful number, since it uses less digits than its factorization.

42471550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 42471550 is about 6517.0200245204. The cubic root of 42471550 is about 348.8987152823.

Adding to 42471550 its reverse (5517424), we get a palindrome (47988974).

The spelling of 42471550 in words is "forty-two million, four hundred seventy-one thousand, five hundred fifty".