55606667 has 4 divisors (see below), whose sum is σ = 55629696. Its totient is φ = 55583640.

The previous prime is 55606657. The next prime is 55606669. The reversal of 55606667 is 76660655.

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 55606667 - 2¹⁰ = 55605643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55606669) 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, 7403 + ... + 12884.

It is an arithmetic number, because the mean of its divisors is an integer number (13907424).

Almost surely, 2^55606667 is an apocalyptic number.

55606667 is a deficient number, since it is larger than the sum of its proper divisors (23029).

55606667 is a wasteful number, since it uses less digits than its factorization.

55606667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23028.

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 55606667 is about 7456.9877966911. The cubic root of 55606667 is about 381.6883943145.

The spelling of 55606667 in words is "fifty-five million, six hundred six thousand, six hundred sixty-seven".