55517101 has 8 divisors (see below), whose sum is σ = 58748544. Its totient is φ = 52353840.

The previous prime is 55517093. The next prime is 55517141. The reversal of 55517101 is 10171555.

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

It is a cyclic number.

It is not a de Polignac number, because 55517101 - 2³ = 55517093 is a prime.

It is a super-3 number, since 3×55517101³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55517141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15366 + ... + 18631.

It is an arithmetic number, because the mean of its divisors is an integer number (7343568).

Almost surely, 2^55517101 is an apocalyptic number.

It is an amenable number.

55517101 is a deficient number, since it is larger than the sum of its proper divisors (3231443).

55517101 is a wasteful number, since it uses less digits than its factorization.

55517101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34091.

The product of its (nonzero) digits is 875, while the sum is 25.

The square root of 55517101 is about 7450.9798684468. The cubic root of 55517101 is about 381.4833549088.

Adding to 55517101 its reverse (10171555), we get a palindrome (65688656).

The spelling of 55517101 in words is "fifty-five million, five hundred seventeen thousand, one hundred one".