55955091 has 8 divisors (see below), whose sum is σ = 74891520. Its totient is φ = 37161032.

The previous prime is 55955087. The next prime is 55955099. The reversal of 55955091 is 19055955.

It is a happy number.

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 55955091 - 2² = 55955087 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55955099) 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, 34671 + ... + 36248.

It is an arithmetic number, because the mean of its divisors is an integer number (9361440).

Almost surely, 2^55955091 is an apocalyptic number.

55955091 is a deficient number, since it is larger than the sum of its proper divisors (18936429).

55955091 is a wasteful number, since it uses less digits than its factorization.

55955091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71185.

The product of its (nonzero) digits is 50625, while the sum is 39.

The square root of 55955091 is about 7480.3135629464. The cubic root of 55955091 is about 382.4839379816.

The spelling of 55955091 in words is "fifty-five million, nine hundred fifty-five thousand, ninety-one".