55435717 has 4 divisors (see below), whose sum is σ = 55587136. Its totient is φ = 55284300.

The previous prime is 55435687. The next prime is 55435741. The reversal of 55435717 is 71753455.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55435717 - 2¹¹ = 55433669 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55435417) 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, 75159 + ... + 75892.

It is an arithmetic number, because the mean of its divisors is an integer number (13896784).

Almost surely, 2^55435717 is an apocalyptic number.

It is an amenable number.

55435717 is a deficient number, since it is larger than the sum of its proper divisors (151419).

55435717 is a wasteful number, since it uses less digits than its factorization.

55435717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151418.

The product of its digits is 73500, while the sum is 37.

The square root of 55435717 is about 7445.5165703932. The cubic root of 55435717 is about 381.2968548703.

The spelling of 55435717 in words is "fifty-five million, four hundred thirty-five thousand, seven hundred seventeen".