55655146 has 4 divisors (see below), whose sum is σ = 83482722. Its totient is φ = 27827572.

The previous prime is 55655143. The next prime is 55655177. The reversal of 55655146 is 64155655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64155655 = 5 ⋅12831131.

It can be written as a sum of positive squares in only one way, i.e., 41100921 + 14554225 = 6411^2 + 3815^2 .

It is not an unprimeable number, because it can be changed into a prime (55655143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13913785 + ... + 13913788.

Almost surely, 2^55655146 is an apocalyptic number.

55655146 is a deficient number, since it is larger than the sum of its proper divisors (27827576).

55655146 is a wasteful number, since it uses less digits than its factorization.

55655146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27827575.

The product of its digits is 90000, while the sum is 37.

The square root of 55655146 is about 7460.2376637745. The cubic root of 55655146 is about 381.7992832775.

The spelling of 55655146 in words is "fifty-five million, six hundred fifty-five thousand, one hundred forty-six".