55276091 has 8 divisors (see below), whose sum is σ = 60246480. Its totient is φ = 50408352.

The previous prime is 55276087. The next prime is 55276099. The reversal of 55276091 is 19067255.

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

It is a cyclic number.

It is not a de Polignac number, because 55276091 - 2² = 55276087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55276099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24536 + ... + 26693.

It is an arithmetic number, because the mean of its divisors is an integer number (7530810).

Almost surely, 2^55276091 is an apocalyptic number.

55276091 is a deficient number, since it is larger than the sum of its proper divisors (4970389).

55276091 is a wasteful number, since it uses less digits than its factorization.

55276091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51325.

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 55276091 is about 7434.7892370934. The cubic root of 55276091 is about 380.9305242299.

The spelling of 55276091 in words is "fifty-five million, two hundred seventy-six thousand, ninety-one".