42553770 has 32 divisors (see below), whose sum is σ = 116719488. Its totient is φ = 9726528.

The previous prime is 42553739. The next prime is 42553799. The reversal of 42553770 is 7735524.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 101109 + ... + 101528.

It is an arithmetic number, because the mean of its divisors is an integer number (3647484).

Almost surely, 2^42553770 is an apocalyptic number.

42553770 is an abundant number, since it is smaller than the sum of its proper divisors (74165718).

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

42553770 is a wasteful number, since it uses less digits than its factorization.

42553770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202654.

The product of its (nonzero) digits is 29400, while the sum is 33.

The square root of 42553770 is about 6523.3250723845. The cubic root of 42553770 is about 349.1237126514.

The spelling of 42553770 in words is "forty-two million, five hundred fifty-three thousand, seven hundred seventy".