42553454 has 4 divisors (see below), whose sum is σ = 63830184. Its totient is φ = 21276726.

The previous prime is 42553453. The next prime is 42553487. The reversal of 42553454 is 45435524.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42553454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42553451) 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 as a sum of consecutive naturals, namely, 10638362 + ... + 10638365.

It is an arithmetic number, because the mean of its divisors is an integer number (15957546).

Almost surely, 2^42553454 is an apocalyptic number.

42553454 is a deficient number, since it is larger than the sum of its proper divisors (21276730).

42553454 is a wasteful number, since it uses less digits than its factorization.

42553454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21276729.

The product of its digits is 48000, while the sum is 32.

The square root of 42553454 is about 6523.3008515628. The cubic root of 42553454 is about 349.1228484634.

Adding to 42553454 its reverse (45435524), we get a palindrome (87988978).

The spelling of 42553454 in words is "forty-two million, five hundred fifty-three thousand, four hundred fifty-four".