55598205 has 16 divisors (see below), whose sum is σ = 95800320. Its totient is φ = 27371328.

The previous prime is 55598203. The next prime is 55598209. The reversal of 55598205 is 50289555.

It is not a de Polignac number, because 55598205 - 2¹ = 55598203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55598203) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142365 + ... + 142754.

It is an arithmetic number, because the mean of its divisors is an integer number (5987520).

Almost surely, 2^55598205 is an apocalyptic number.

It is an amenable number.

55598205 is a deficient number, since it is larger than the sum of its proper divisors (40202115).

55598205 is a wasteful number, since it uses less digits than its factorization.

55598205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285140.

The product of its (nonzero) digits is 90000, while the sum is 39.

The square root of 55598205 is about 7456.4203878269. The cubic root of 55598205 is about 381.6690320616.

The spelling of 55598205 in words is "fifty-five million, five hundred ninety-eight thousand, two hundred five".