55007571 has 8 divisors (see below), whose sum is σ = 73485760. Its totient is φ = 36600552.

The previous prime is 55007569. The next prime is 55007573. The reversal of 55007571 is 17570055.

It is an interprime number because it is at equal distance from previous prime (55007569) and next prime (55007573).

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

It is not a de Polignac number, because 55007571 - 2¹ = 55007569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55007573) 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, 15961 + ... + 19098.

It is an arithmetic number, because the mean of its divisors is an integer number (9185720).

Almost surely, 2^55007571 is an apocalyptic number.

55007571 is a deficient number, since it is larger than the sum of its proper divisors (18478189).

55007571 is a wasteful number, since it uses less digits than its factorization.

55007571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35585.

The product of its (nonzero) digits is 6125, while the sum is 30.

The square root of 55007571 is about 7416.7089062468. The cubic root of 55007571 is about 380.3126950653.

The spelling of 55007571 in words is "fifty-five million, seven thousand, five hundred seventy-one".