55201804461 has 12 divisors (see below), whose sum is σ = 80032359420. Its totient is φ = 36664393920.

The previous prime is 55201804429. The next prime is 55201804477. The reversal of 55201804461 is 16440810255.

It is a happy number.

55201804461 is a `hidden beast` number, since 5 + 5 + 201 + 8 + 0 + 446 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 30370032900 + 24831771561 = 174270^2 + 157581^2 .

It is not a de Polignac number, because 55201804461 - 2⁵ = 55201804429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55201804481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11398200 + ... + 11403041.

It is an arithmetic number, because the mean of its divisors is an integer number (6669363285).

Almost surely, 2^55201804461 is an apocalyptic number.

It is an amenable number.

55201804461 is a deficient number, since it is larger than the sum of its proper divisors (24830554959).

55201804461 is a wasteful number, since it uses less digits than its factorization.

55201804461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22801516 (or 22801513 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The spelling of 55201804461 in words is "fifty-five billion, two hundred one million, eight hundred four thousand, four hundred sixty-one".