55645795 has 4 divisors (see below), whose sum is σ = 66774960. Its totient is φ = 44516632.

The previous prime is 55645781. The next prime is 55645801. The reversal of 55645795 is 59754655.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59754655 = 5 ⋅11950931.

It is a cyclic number.

It is not a de Polignac number, because 55645795 - 2¹¹ = 55643747 is a prime.

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, 5564575 + ... + 5564584.

It is an arithmetic number, because the mean of its divisors is an integer number (16693740).

Almost surely, 2^55645795 is an apocalyptic number.

55645795 is a deficient number, since it is larger than the sum of its proper divisors (11129165).

55645795 is a wasteful number, since it uses less digits than its factorization.

55645795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11129164.

The product of its digits is 945000, while the sum is 46.

The square root of 55645795 is about 7459.6109147864. The cubic root of 55645795 is about 381.7778991808. Note that the first 3 decimals are identical.

The spelling of 55645795 in words is "fifty-five million, six hundred forty-five thousand, seven hundred ninety-five".