55475570 has 8 divisors (see below), whose sum is σ = 99856044. Its totient is φ = 22190224.

The previous prime is 55475489. The next prime is 55475587. The reversal of 55475570 is 7557455.

It can be written as a sum of positive squares in 2 ways, for example, as 50993881 + 4481689 = 7141^2 + 2117^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2773769 + ... + 2773788.

Almost surely, 2^55475570 is an apocalyptic number.

55475570 is a deficient number, since it is larger than the sum of its proper divisors (44380474).

55475570 is a wasteful number, since it uses less digits than its factorization.

55475570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5547564.

The product of its (nonzero) digits is 122500, while the sum is 38.

The square root of 55475570 is about 7448.1923981594. The cubic root of 55475570 is about 381.3882050225.

The spelling of 55475570 in words is "fifty-five million, four hundred seventy-five thousand, five hundred seventy".