55777017 has 8 divisors (see below), whose sum is σ = 78744096. Its totient is φ = 34997312.

The previous prime is 55777013. The next prime is 55777021. The reversal of 55777017 is 71077755.

It is an interprime number because it is at equal distance from previous prime (55777013) and next prime (55777021).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55777017 - 2² = 55777013 is a prime.

It is a super-2 number, since 2×55777017² = 6222151250836578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55777013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 546783 + ... + 546884.

It is an arithmetic number, because the mean of its divisors is an integer number (9843012).

Almost surely, 2^55777017 is an apocalyptic number.

It is an amenable number.

55777017 is a deficient number, since it is larger than the sum of its proper divisors (22967079).

55777017 is a wasteful number, since it uses less digits than its factorization.

55777017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1093687.

The product of its (nonzero) digits is 60025, while the sum is 39.

The square root of 55777017 is about 7468.4012345347. The cubic root of 55777017 is about 382.0777620993.

The spelling of 55777017 in words is "fifty-five million, seven hundred seventy-seven thousand, seventeen".