55405675 has 24 divisors (see below), whose sum is σ = 74543840. Its totient is φ = 40608000.

The previous prime is 55405673. The next prime is 55405699. The reversal of 55405675 is 57650455.

It is not a de Polignac number, because 55405675 - 2¹ = 55405673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55405673) 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, 48511 + ... + 49639.

Almost surely, 2^55405675 is an apocalyptic number.

55405675 is a deficient number, since it is larger than the sum of its proper divisors (19138165).

55405675 is a wasteful number, since it uses less digits than its factorization.

55405675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1303 (or 1298 counting only the distinct ones).

The product of its (nonzero) digits is 105000, while the sum is 37.

The square root of 55405675 is about 7443.4988412708. The cubic root of 55405675 is about 381.2279643270.

The spelling of 55405675 in words is "fifty-five million, four hundred five thousand, six hundred seventy-five".