55170577 has 8 divisors (see below), whose sum is σ = 68784192. Its totient is φ = 42990000.

The previous prime is 55170551. The next prime is 55170581. The reversal of 55170577 is 77507155.

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 55170577 - 2⁷ = 55170449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55170517) 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, 358174 + ... + 358327.

It is an arithmetic number, because the mean of its divisors is an integer number (8598024).

Almost surely, 2^55170577 is an apocalyptic number.

It is an amenable number.

55170577 is a deficient number, since it is larger than the sum of its proper divisors (13613615).

55170577 is a wasteful number, since it uses less digits than its factorization.

55170577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716519.

The product of its (nonzero) digits is 42875, while the sum is 37.

The square root of 55170577 is about 7427.6898831332. The cubic root of 55170577 is about 380.6879895627.

The spelling of 55170577 in words is "fifty-five million, one hundred seventy thousand, five hundred seventy-seven".