55209675 has 24 divisors (see below), whose sum is σ = 92650816. Its totient is φ = 29003040.

The previous prime is 55209673. The next prime is 55209719. The reversal of 55209675 is 57690255.

It is not a de Polignac number, because 55209675 - 2¹ = 55209673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55209673) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 469 + ... + 10518.

Almost surely, 2^55209675 is an apocalyptic number.

55209675 is a deficient number, since it is larger than the sum of its proper divisors (37441141).

55209675 is a wasteful number, since it uses less digits than its factorization.

55209675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11067 (or 11062 counting only the distinct ones).

The product of its (nonzero) digits is 94500, while the sum is 39.

The square root of 55209675 is about 7430.3213254879. The cubic root of 55209675 is about 380.7778963283. Note that the first 3 decimals are identical.

The spelling of 55209675 in words is "fifty-five million, two hundred nine thousand, six hundred seventy-five".