55819802 has 8 divisors (see below), whose sum is σ = 84389376. Its totient is φ = 27690012.

The previous prime is 55819783. The next prime is 55819811. The reversal of 55819802 is 20891855.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109628 + ... + 110135.

It is an arithmetic number, because the mean of its divisors is an integer number (10548672).

Almost surely, 2^55819802 is an apocalyptic number.

55819802 is a deficient number, since it is larger than the sum of its proper divisors (28569574).

55819802 is a wasteful number, since it uses less digits than its factorization.

55819802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219892.

The product of its (nonzero) digits is 28800, while the sum is 38.

The square root of 55819802 is about 7471.2650869849. The cubic root of 55819802 is about 382.1754308757.

The spelling of 55819802 in words is "fifty-five million, eight hundred nineteen thousand, eight hundred two".