55052817 has 16 divisors (see below), whose sum is σ = 80403840. Its totient is φ = 33350912.

The previous prime is 55052813. The next prime is 55052827. The reversal of 55052817 is 71825055.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55052817 - 2² = 55052813 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55052813) 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, 17133 + ... + 20090.

It is an arithmetic number, because the mean of its divisors is an integer number (5025240).

Almost surely, 2^55052817 is an apocalyptic number.

It is an amenable number.

55052817 is a deficient number, since it is larger than the sum of its proper divisors (25351023).

55052817 is a wasteful number, since it uses less digits than its factorization.

55052817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37272.

The product of its (nonzero) digits is 14000, while the sum is 33.

The square root of 55052817 is about 7419.7585540232. The cubic root of 55052817 is about 380.4169407903.

The spelling of 55052817 in words is "fifty-five million, fifty-two thousand, eight hundred seventeen".