55881434 has 16 divisors (see below), whose sum is σ = 99100800. Its totient is φ = 23123184.

The previous prime is 55881403. The next prime is 55881457. The reversal of 55881434 is 43418855.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68414 + ... + 69225.

It is an arithmetic number, because the mean of its divisors is an integer number (6193800).

Almost surely, 2^55881434 is an apocalyptic number.

55881434 is a deficient number, since it is larger than the sum of its proper divisors (43219366).

55881434 is a wasteful number, since it uses less digits than its factorization.

55881434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137677.

The product of its digits is 76800, while the sum is 38.

The square root of 55881434 is about 7475.3885517744. The cubic root of 55881434 is about 382.3160355338.

The spelling of 55881434 in words is "fifty-five million, eight hundred eighty-one thousand, four hundred thirty-four".