55700205 has 32 divisors (see below), whose sum is σ = 98340480. Its totient is φ = 26695680.

The previous prime is 55700201. The next prime is 55700209. The reversal of 55700205 is 50200755.

It is an interprime number because it is at equal distance from previous prime (55700201) and next prime (55700209).

It is not a de Polignac number, because 55700205 - 2² = 55700201 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55700201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12789 + ... + 16581.

It is an arithmetic number, because the mean of its divisors is an integer number (3073140).

Almost surely, 2^55700205 is an apocalyptic number.

55700205 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55700205 is a deficient number, since it is larger than the sum of its proper divisors (42640275).

55700205 is a wasteful number, since it uses less digits than its factorization.

55700205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3901.

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 55700205 is about 7463.2569967810. The cubic root of 55700205 is about 381.9022917413.

The spelling of 55700205 in words is "fifty-five million, seven hundred thousand, two hundred five".