42996554 has 4 divisors (see below), whose sum is σ = 64494834. Its totient is φ = 21498276.

The previous prime is 42996533. The next prime is 42996571. The reversal of 42996554 is 45569924.

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., 29106025 + 13890529 = 5395^2 + 3727^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10749137 + ... + 10749140.

Almost surely, 2^42996554 is an apocalyptic number.

42996554 is a deficient number, since it is larger than the sum of its proper divisors (21498280).

42996554 is a wasteful number, since it uses less digits than its factorization.

42996554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21498279.

The product of its digits is 388800, while the sum is 44.

The square root of 42996554 is about 6557.1757640008. The cubic root of 42996554 is about 350.3304470990.

The spelling of 42996554 in words is "forty-two million, nine hundred ninety-six thousand, five hundred fifty-four".