42552556 has 6 divisors (see below), whose sum is σ = 74466980. Its totient is φ = 21276276.

The previous prime is 42552539. The next prime is 42552569. The reversal of 42552556 is 65525524.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5319066 + ... + 5319073.

Almost surely, 2^42552556 is an apocalyptic number.

It is an amenable number.

42552556 is a deficient number, since it is larger than the sum of its proper divisors (31914424).

42552556 is a wasteful number, since it uses less digits than its factorization.

42552556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10638143 (or 10638141 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 42552556 is about 6523.2320210153. The cubic root of 42552556 is about 349.1203926148.

The spelling of 42552556 in words is "forty-two million, five hundred fifty-two thousand, five hundred fifty-six".