55417469 has 4 divisors (see below), whose sum is σ = 55465344. Its totient is φ = 55369596.

The previous prime is 55417409. The next prime is 55417477. The reversal of 55417469 is 96471455.

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 55417469 - 2²⁰ = 54368893 is a prime.

It is a super-2 number, since 2×55417469² = 6142191740731922, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55417409) 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, 22157 + ... + 24530.

It is an arithmetic number, because the mean of its divisors is an integer number (13866336).

Almost surely, 2^55417469 is an apocalyptic number.

It is an amenable number.

55417469 is a deficient number, since it is larger than the sum of its proper divisors (47875).

55417469 is a wasteful number, since it uses less digits than its factorization.

55417469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47874.

The product of its digits is 151200, while the sum is 41.

The square root of 55417469 is about 7444.2910340744. The cubic root of 55417469 is about 381.2550126009.

The spelling of 55417469 in words is "fifty-five million, four hundred seventeen thousand, four hundred sixty-nine".