55649395 has 4 divisors (see below), whose sum is σ = 66779280. Its totient is φ = 44519512.

The previous prime is 55649393. The next prime is 55649413. The reversal of 55649395 is 59394655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55649395 - 2¹ = 55649393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55649393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5564935 + ... + 5564944.

It is an arithmetic number, because the mean of its divisors is an integer number (16694820).

Almost surely, 2^55649395 is an apocalyptic number.

55649395 is a deficient number, since it is larger than the sum of its proper divisors (11129885).

55649395 is a wasteful number, since it uses less digits than its factorization.

55649395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11129884.

The product of its digits is 729000, while the sum is 46.

The square root of 55649395 is about 7459.8522103323. The cubic root of 55649395 is about 381.7861320329.

The spelling of 55649395 in words is "fifty-five million, six hundred forty-nine thousand, three hundred ninety-five".