55667611 has 4 divisors (see below), whose sum is σ = 55692000. Its totient is φ = 55643224.

The previous prime is 55667593. The next prime is 55667629. The reversal of 55667611 is 11676655.

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

It is an interprime number because it is at equal distance from previous prime (55667593) and next prime (55667629).

It is a cyclic number.

It is not a de Polignac number, because 55667611 - 2¹¹ = 55665563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55667011) 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, 8371 + ... + 13468.

It is an arithmetic number, because the mean of its divisors is an integer number (13923000).

Almost surely, 2^55667611 is an apocalyptic number.

55667611 is a deficient number, since it is larger than the sum of its proper divisors (24389).

55667611 is a wasteful number, since it uses less digits than its factorization.

55667611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24388.

The product of its digits is 37800, while the sum is 37.

The square root of 55667611 is about 7461.0730461509. The cubic root of 55667611 is about 381.8277848217.

The spelling of 55667611 in words is "fifty-five million, six hundred sixty-seven thousand, six hundred eleven".