55389395 has 4 divisors (see below), whose sum is σ = 66467280. Its totient is φ = 44311512.

The previous prime is 55389379. The next prime is 55389431. The reversal of 55389395 is 59398355.

It is a happy number.

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 55389395 - 2⁴ = 55389379 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, 5538935 + ... + 5538944.

It is an arithmetic number, because the mean of its divisors is an integer number (16616820).

Almost surely, 2^55389395 is an apocalyptic number.

55389395 is a deficient number, since it is larger than the sum of its proper divisors (11077885).

55389395 is a wasteful number, since it uses less digits than its factorization.

55389395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11077884.

The product of its digits is 729000, while the sum is 47.

The square root of 55389395 is about 7442.4051891845. The cubic root of 55389395 is about 381.1906215865.

The spelling of 55389395 in words is "fifty-five million, three hundred eighty-nine thousand, three hundred ninety-five".