55353517 has 16 divisors (see below), whose sum is σ = 60739200. Its totient is φ = 50258880.

The previous prime is 55353511. The next prime is 55353521. The reversal of 55353517 is 71535355.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55353517 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55353511) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49359 + ... + 50467.

It is an arithmetic number, because the mean of its divisors is an integer number (3796200).

Almost surely, 2^55353517 is an apocalyptic number.

It is an amenable number.

55353517 is a deficient number, since it is larger than the sum of its proper divisors (5385683).

55353517 is a wasteful number, since it uses less digits than its factorization.

55353517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236.

The product of its digits is 39375, while the sum is 34.

The square root of 55353517 is about 7439.9944220409. The cubic root of 55353517 is about 381.1082995036.

The spelling of 55353517 in words is "fifty-five million, three hundred fifty-three thousand, five hundred seventeen".