42523550 has 48 divisors (see below), whose sum is σ = 83566080. Its totient is φ = 16067040.

The previous prime is 42523531. The next prime is 42523571. The reversal of 42523550 is 5532524.

It is a Curzon number.

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, 118271 + ... + 118629.

It is an arithmetic number, because the mean of its divisors is an integer number (1740960).

Almost surely, 2^42523550 is an apocalyptic number.

42523550 is a deficient number, since it is larger than the sum of its proper divisors (41042530).

42523550 is a wasteful number, since it uses less digits than its factorization.

42523550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497 (or 492 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 42523550 is about 6521.0083576085. The cubic root of 42523550 is about 349.0410484746.

The spelling of 42523550 in words is "forty-two million, five hundred twenty-three thousand, five hundred fifty".