42553797 has 32 divisors (see below), whose sum is σ = 67084416. Its totient is φ = 23654400.

The previous prime is 42553739. The next prime is 42553799. The reversal of 42553797 is 79735524.

It is not a de Polignac number, because 42553797 - 2⁶ = 42553733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42553799) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 120373 + ... + 120725.

It is an arithmetic number, because the mean of its divisors is an integer number (2096388).

Almost surely, 2^42553797 is an apocalyptic number.

It is an amenable number.

42553797 is a deficient number, since it is larger than the sum of its proper divisors (24530619).

42553797 is a wasteful number, since it uses less digits than its factorization.

42553797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661.

The product of its digits is 264600, while the sum is 42.

The square root of 42553797 is about 6523.3271418809. The cubic root of 42553797 is about 349.1237864900.

The spelling of 42553797 in words is "forty-two million, five hundred fifty-three thousand, seven hundred ninety-seven".