55055601 has 24 divisors (see below), whose sum is σ = 83453760. Its totient is φ = 34927200.

The previous prime is 55055591. The next prime is 55055603. The reversal of 55055601 is 10655055.

55055601 is a `hidden beast` number, since 5 + 5 + 0 + 55 + 601 = 666.

It is not a de Polignac number, because 55055601 - 2⁵ = 55055569 is a prime.

It is a super-2 number, since 2×55055601² = 6062238402942402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55055603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17046 + ... + 20016.

It is an arithmetic number, because the mean of its divisors is an integer number (3477240).

Almost surely, 2^55055601 is an apocalyptic number.

It is an amenable number.

55055601 is a deficient number, since it is larger than the sum of its proper divisors (28398159).

55055601 is a wasteful number, since it uses less digits than its factorization.

55055601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077 (or 3074 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 27.

The square root of 55055601 is about 7419.9461588343. The cubic root of 55055601 is about 380.4233531955.

The spelling of 55055601 in words is "fifty-five million, fifty-five thousand, six hundred one".