55370205 has 36 divisors (see below), whose sum is σ = 105503580. Its totient is φ = 26843520.

The previous prime is 55370201. The next prime is 55370209. The reversal of 55370205 is 50207355.

It is an interprime number because it is at equal distance from previous prime (55370201) and next prime (55370209).

It can be written as a sum of positive squares in 2 ways, for example, as 38081241 + 17288964 = 6171^2 + 4158^2 .

It is not a de Polignac number, because 55370205 - 2² = 55370201 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55370201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 361 + ... + 10529.

It is an arithmetic number, because the mean of its divisors is an integer number (2930655).

Almost surely, 2^55370205 is an apocalyptic number.

55370205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55370205 is a deficient number, since it is larger than the sum of its proper divisors (50133375).

55370205 is a wasteful number, since it uses less digits than its factorization.

55370205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10202 (or 10188 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 55370205 is about 7441.1158437428. The cubic root of 55370205 is about 381.1465945486.

The spelling of 55370205 in words is "fifty-five million, three hundred seventy thousand, two hundred five".