55663711 has 4 divisors (see below), whose sum is σ = 58593400. Its totient is φ = 52734024.

The previous prime is 55663681. The next prime is 55663733. The reversal of 55663711 is 11736655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55663711 - 2¹³ = 55655519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55663771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1464816 + ... + 1464853.

It is an arithmetic number, because the mean of its divisors is an integer number (14648350).

Almost surely, 2^55663711 is an apocalyptic number.

55663711 is a deficient number, since it is larger than the sum of its proper divisors (2929689).

55663711 is a wasteful number, since it uses less digits than its factorization.

55663711 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2929688.

The product of its digits is 18900, while the sum is 34.

The square root of 55663711 is about 7460.8116850648. The cubic root of 55663711 is about 381.8188678284.

The spelling of 55663711 in words is "fifty-five million, six hundred sixty-three thousand, seven hundred eleven".