42550623 has 16 divisors (see below), whose sum is σ = 64108800. Its totient is φ = 27885240.

The previous prime is 42550603. The next prime is 42550637. The reversal of 42550623 is 32605524.

42550623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42550623 - 2⁶ = 42550559 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42550603) 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 15 ways as a sum of consecutive naturals, for example, 11763 + ... + 14948.

It is an arithmetic number, because the mean of its divisors is an integer number (4006800).

Almost surely, 2^42550623 is an apocalyptic number.

42550623 is a deficient number, since it is larger than the sum of its proper divisors (21558177).

42550623 is a wasteful number, since it uses less digits than its factorization.

42550623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26779 (or 26773 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42550623 is about 6523.0838565819. The cubic root of 42550623 is about 349.1151061330.

The spelling of 42550623 in words is "forty-two million, five hundred fifty thousand, six hundred twenty-three".