83554642 has 8 divisors (see below), whose sum is σ = 126162432. Its totient is φ = 41500500.

The previous prime is 83554631. The next prime is 83554649. The reversal of 83554642 is 24645538.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (83554649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138034 + ... + 138637.

It is an arithmetic number, because the mean of its divisors is an integer number (15770304).

Almost surely, 2^83554642 is an apocalyptic number.

83554642 is a deficient number, since it is larger than the sum of its proper divisors (42607790).

83554642 is a wasteful number, since it uses less digits than its factorization.

83554642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276824.

The product of its digits is 115200, while the sum is 37.

The square root of 83554642 is about 9140.8228294831. The cubic root of 83554642 is about 437.1765524415.

The spelling of 83554642 in words is "eighty-three million, five hundred fifty-four thousand, six hundred forty-two".