55663707 has 8 divisors (see below), whose sum is σ = 80965440. Its totient is φ = 33735560.

The previous prime is 55663681. The next prime is 55663733. The reversal of 55663707 is 70736655.

It is an interprime number because it is at equal distance from previous prime (55663681) and next prime (55663733).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55663707 - 2¹⁴ = 55647323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55663747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 843357 + ... + 843422.

It is an arithmetic number, because the mean of its divisors is an integer number (10120680).

Almost surely, 2^55663707 is an apocalyptic number.

55663707 is a deficient number, since it is larger than the sum of its proper divisors (25301733).

55663707 is a wasteful number, since it uses less digits than its factorization.

55663707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686793.

The product of its (nonzero) digits is 132300, while the sum is 39.

The square root of 55663707 is about 7460.8114169975. The cubic root of 55663707 is about 381.8188586826.

The spelling of 55663707 in words is "fifty-five million, six hundred sixty-three thousand, seven hundred seven".