55761994 has 8 divisors (see below), whose sum is σ = 86341248. Its totient is φ = 26981580.

The previous prime is 55761977. The next prime is 55762001. The reversal of 55761994 is 49916755.

55761994 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 449632 + ... + 449755.

It is an arithmetic number, because the mean of its divisors is an integer number (10792656).

Almost surely, 2^55761994 is an apocalyptic number.

55761994 is a deficient number, since it is larger than the sum of its proper divisors (30579254).

55761994 is a wasteful number, since it uses less digits than its factorization.

55761994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899420.

The product of its digits is 340200, while the sum is 46.

The square root of 55761994 is about 7467.3953959865. The cubic root of 55761994 is about 382.0434560360.

The spelling of 55761994 in words is "fifty-five million, seven hundred sixty-one thousand, nine hundred ninety-four".