42453554 has 16 divisors (see below), whose sum is σ = 74813760. Its totient is φ = 17812560.

The previous prime is 42453553. The next prime is 42453557. The reversal of 42453554 is 45535424.

It is a self number, because there is not a number n which added to its sum of digits gives 42453554.

It is not an unprimeable number, because it can be changed into a prime (42453553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73934 + ... + 74505.

It is an arithmetic number, because the mean of its divisors is an integer number (4675860).

Almost surely, 2^42453554 is an apocalyptic number.

42453554 is a deficient number, since it is larger than the sum of its proper divisors (32360206).

42453554 is a wasteful number, since it uses less digits than its factorization.

42453554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148465.

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

The square root of 42453554 is about 6515.6391858359. The cubic root of 42453554 is about 348.8494299897.

Adding to 42453554 its reverse (45535424), we get a palindrome (87988978).

The spelling of 42453554 in words is "forty-two million, four hundred fifty-three thousand, five hundred fifty-four".