42488554 has 4 divisors (see below), whose sum is σ = 63732834. Its totient is φ = 21244276.

The previous prime is 42488533. The next prime is 42488557. The reversal of 42488554 is 45588424.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 23765625 + 18722929 = 4875^2 + 4327^2 .

It is not an unprimeable number, because it can be changed into a prime (42488557) 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, 10622137 + ... + 10622140.

Almost surely, 2^42488554 is an apocalyptic number.

42488554 is a deficient number, since it is larger than the sum of its proper divisors (21244280).

42488554 is a wasteful number, since it uses less digits than its factorization.

42488554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21244279.

The product of its digits is 204800, while the sum is 40.

The square root of 42488554 is about 6518.3244779621. The cubic root of 42488554 is about 348.9452710134.

The spelling of 42488554 in words is "forty-two million, four hundred eighty-eight thousand, five hundred fifty-four".