55091338 has 8 divisors (see below), whose sum is σ = 82670688. Its totient is φ = 27534444.

The previous prime is 55091321. The next prime is 55091341. The reversal of 55091338 is 83319055.

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, 3445 + ... + 11047.

It is an arithmetic number, because the mean of its divisors is an integer number (10333836).

Almost surely, 2^55091338 is an apocalyptic number.

55091338 is a deficient number, since it is larger than the sum of its proper divisors (27579350).

55091338 is a wasteful number, since it uses less digits than its factorization.

55091338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11228.

The product of its (nonzero) digits is 16200, while the sum is 34.

The square root of 55091338 is about 7422.3539392837. The cubic root of 55091338 is about 380.5056472679.

The spelling of 55091338 in words is "fifty-five million, ninety-one thousand, three hundred thirty-eight".