55074369 has 32 divisors (see below), whose sum is σ = 89313280. Its totient is φ = 29486592.

The previous prime is 55074361. The next prime is 55074379. The reversal of 55074369 is 96347055.

It is not a de Polignac number, because 55074369 - 2³ = 55074361 is a prime.

It is a super-2 number, since 2×55074369² = 6066372241496322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55074361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 37992 + ... + 39414.

It is an arithmetic number, because the mean of its divisors is an integer number (2791040).

Almost surely, 2^55074369 is an apocalyptic number.

It is an amenable number.

55074369 is a deficient number, since it is larger than the sum of its proper divisors (34238911).

55074369 is a wasteful number, since it uses less digits than its factorization.

55074369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1549.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 55074369 is about 7421.2107502752. The cubic root of 55074369 is about 380.4665760116.

The spelling of 55074369 in words is "fifty-five million, seventy-four thousand, three hundred sixty-nine".