55517627 has 4 divisors (see below), whose sum is σ = 60564696. Its totient is φ = 50470560.

The previous prime is 55517611. The next prime is 55517641. The reversal of 55517627 is 72671555.

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 55517627 - 2⁴ = 55517611 is a prime.

It is a super-2 number, since 2×55517627² = 6164413815422258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55517827) 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, 2523518 + ... + 2523539.

It is an arithmetic number, because the mean of its divisors is an integer number (15141174).

Almost surely, 2^55517627 is an apocalyptic number.

55517627 is a deficient number, since it is larger than the sum of its proper divisors (5047069).

55517627 is a wasteful number, since it uses less digits than its factorization.

55517627 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047068.

The product of its digits is 73500, while the sum is 38.

The square root of 55517627 is about 7451.0151657341. The cubic root of 55517627 is about 381.4845597004.

The spelling of 55517627 in words is "fifty-five million, five hundred seventeen thousand, six hundred twenty-seven".