55719205 has 16 divisors (see below), whose sum is σ = 69963264. Its totient is φ = 42555520.

The previous prime is 55719137. The next prime is 55719227. The reversal of 55719205 is 50291755.

It is not a de Polignac number, because 55719205 - 2⁹ = 55718693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6744 + ... + 12526.

It is an arithmetic number, because the mean of its divisors is an integer number (4372704).

Almost surely, 2^55719205 is an apocalyptic number.

It is an amenable number.

55719205 is a deficient number, since it is larger than the sum of its proper divisors (14244059).

55719205 is a wasteful number, since it uses less digits than its factorization.

55719205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5876.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 55719205 is about 7464.5297909513. The cubic root of 55719205 is about 381.9457106039.

The spelling of 55719205 in words is "fifty-five million, seven hundred nineteen thousand, two hundred five".