42052550 has 24 divisors (see below), whose sum is σ = 79391496. Its totient is φ = 16568640.

The previous prime is 42052513. The next prime is 42052559. The reversal of 42052550 is 5525024.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052559) 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, 2927 + ... + 9626.

It is an arithmetic number, because the mean of its divisors is an integer number (3307979).

Almost surely, 2^42052550 is an apocalyptic number.

42052550 is a deficient number, since it is larger than the sum of its proper divisors (37338946).

42052550 is a wasteful number, since it uses less digits than its factorization.

42052550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12632 (or 12627 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 42052550 is about 6484.7937515391. The cubic root of 42052550 is about 347.7475764491.

Adding to 42052550 its reverse (5525024), we get a palindrome (47577574).

The spelling of 42052550 in words is "forty-two million, fifty-two thousand, five hundred fifty".