42193550 has 48 divisors (see below), whose sum is σ = 92806560. Its totient is φ = 13964160.

The previous prime is 42193549. The next prime is 42193553. The reversal of 42193550 is 5539124.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42193553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8072 + ... + 12228.

It is an arithmetic number, because the mean of its divisors is an integer number (1933470).

Almost surely, 2^42193550 is an apocalyptic number.

42193550 is an abundant number, since it is smaller than the sum of its proper divisors (50613010).

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

42193550 is a wasteful number, since it uses less digits than its factorization.

42193550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4205 (or 4200 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 42193550 is about 6495.6562409044. The cubic root of 42193550 is about 348.1358026811.

The spelling of 42193550 in words is "forty-two million, one hundred ninety-three thousand, five hundred fifty".