55576317 has 16 divisors (see below), whose sum is σ = 75453120. Its totient is φ = 36381312.

The previous prime is 55576309. The next prime is 55576319. The reversal of 55576317 is 71367555.

It is a happy number.

55576317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55576317 - 2³ = 55576309 is a prime.

It is a super-2 number, since 2×55576317² = 6177454022568978, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55576319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42883 + ... + 44159.

It is an arithmetic number, because the mean of its divisors is an integer number (4715820).

Almost surely, 2^55576317 is an apocalyptic number.

It is an amenable number.

55576317 is a deficient number, since it is larger than the sum of its proper divisors (19876803).

55576317 is a wasteful number, since it uses less digits than its factorization.

55576317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532.

The product of its digits is 110250, while the sum is 39.

The square root of 55576317 is about 7454.9525149393. The cubic root of 55576317 is about 381.6189401070.

The spelling of 55576317 in words is "fifty-five million, five hundred seventy-six thousand, three hundred seventeen".