4855571901 has 12 divisors (see below), whose sum is σ = 7203161212. Its totient is φ = 3149559936.

The previous prime is 4855571891. The next prime is 4855571933. The reversal of 4855571901 is 1091755584.

4855571901 is a `hidden beast` number, since 4 + 8 + 5 + 557 + 1 + 90 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4128191001 + 727380900 = 64251^2 + 26970^2 .

It is not a de Polignac number, because 4855571901 - 2²¹ = 4853474749 is a prime.

It is a super-3 number, since 3×4855571901³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4855551901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7290316 + ... + 7290981.

Almost surely, 2^4855571901 is an apocalyptic number.

It is an amenable number.

4855571901 is a deficient number, since it is larger than the sum of its proper divisors (2347589311).

4855571901 is a wasteful number, since it uses less digits than its factorization.

4855571901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14581340 (or 14581337 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 45.

The square root of 4855571901 is about 69681.9338207544. The cubic root of 4855571901 is about 1693.3502511338.

The spelling of 4855571901 in words is "four billion, eight hundred fifty-five million, five hundred seventy-one thousand, nine hundred one".