55067571 has 12 divisors (see below), whose sum is σ = 85660848. Its totient is φ = 33887664.

The previous prime is 55067557. The next prime is 55067587. The reversal of 55067571 is 17576055.

It is not a de Polignac number, because 55067571 - 2¹⁰ = 55066547 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (55067071) 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, 235215 + ... + 235448.

It is an arithmetic number, because the mean of its divisors is an integer number (7138404).

Almost surely, 2^55067571 is an apocalyptic number.

55067571 is a deficient number, since it is larger than the sum of its proper divisors (30593277).

55067571 is a wasteful number, since it uses less digits than its factorization.

55067571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470682 (or 470679 counting only the distinct ones).

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

The square root of 55067571 is about 7420.7527246230. The cubic root of 55067571 is about 380.4509213114.

It can be divided in two parts, 550 and 67571, that added together give a square (68121 = 261²).

The spelling of 55067571 in words is "fifty-five million, sixty-seven thousand, five hundred seventy-one".