55571067 has 12 divisors (see below), whose sum is σ = 84494280. Its totient is φ = 35097408.

The previous prime is 55571063. The next prime is 55571071. The reversal of 55571067 is 76017555.

It is an interprime number because it is at equal distance from previous prime (55571063) and next prime (55571071).

It is not a de Polignac number, because 55571067 - 2² = 55571063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55571063) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162318 + ... + 162659.

It is an arithmetic number, because the mean of its divisors is an integer number (7041190).

Almost surely, 2^55571067 is an apocalyptic number.

55571067 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

55571067 is a deficient number, since it is larger than the sum of its proper divisors (28923213).

55571067 is a wasteful number, since it uses less digits than its factorization.

55571067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325002 (or 324999 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 36.

The square root of 55571067 is about 7454.6003917044. The cubic root of 55571067 is about 381.6069232226.

The spelling of 55571067 in words is "fifty-five million, five hundred seventy-one thousand, sixty-seven".