55712205 has 40 divisors (see below), whose sum is σ = 100641024. Its totient is φ = 29484000.

The previous prime is 55712197. The next prime is 55712227. The reversal of 55712205 is 50221755.

It is a happy number.

55712205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55712205 - 2³ = 55712197 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 60700 + ... + 61610.

Almost surely, 2^55712205 is an apocalyptic number.

It is an amenable number.

55712205 is a deficient number, since it is larger than the sum of its proper divisors (44928819).

55712205 is a wasteful number, since it uses less digits than its factorization.

55712205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1070 counting only the distinct ones).

The product of its (nonzero) digits is 3500, while the sum is 27.

The square root of 55712205 is about 7464.0608920346. The cubic root of 55712205 is about 381.9297153294.

It can be divided in two parts, 5571 and 2205, that added together give a 5-th power (7776 = 6⁵).

The spelling of 55712205 in words is "fifty-five million, seven hundred twelve thousand, two hundred five".