42554306 has 4 divisors (see below), whose sum is σ = 63831462. Its totient is φ = 21277152.

The previous prime is 42554299. The next prime is 42554311. The reversal of 42554306 is 60345524.

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., 32024281 + 10530025 = 5659^2 + 3245^2 .

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 as a sum of consecutive naturals, namely, 10638575 + ... + 10638578.

Almost surely, 2^42554306 is an apocalyptic number.

42554306 is a deficient number, since it is larger than the sum of its proper divisors (21277156).

42554306 is a wasteful number, since it uses less digits than its factorization.

42554306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21277155.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 42554306 is about 6523.3661555979. The cubic root of 42554306 is about 349.1251784794.

The spelling of 42554306 in words is "forty-two million, five hundred fifty-four thousand, three hundred six".