42954556 has 6 divisors (see below), whose sum is σ = 75170480. Its totient is φ = 21477276.

The previous prime is 42954551. The next prime is 42954559. The reversal of 42954556 is 65545924.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42954551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5369316 + ... + 5369323.

Almost surely, 2^42954556 is an apocalyptic number.

It is an amenable number.

42954556 is a deficient number, since it is larger than the sum of its proper divisors (32215924).

42954556 is a wasteful number, since it uses less digits than its factorization.

42954556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10738643 (or 10738641 counting only the distinct ones).

The product of its digits is 216000, while the sum is 40.

The square root of 42954556 is about 6553.9725357984. The cubic root of 42954556 is about 350.2163451548.

The spelling of 42954556 in words is "forty-two million, nine hundred fifty-four thousand, five hundred fifty-six".