55044345 has 48 divisors (see below), whose sum is σ = 94282560. Its totient is φ = 27394560.

The previous prime is 55044337. The next prime is 55044347. The reversal of 55044345 is 54344055.

It is not a de Polignac number, because 55044345 - 2³ = 55044337 is a prime.

It is a super-3 number, since 3×55044345³ (a number of 24 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55044347) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 932926 + ... + 932984.

It is an arithmetic number, because the mean of its divisors is an integer number (1964220).

Almost surely, 2^55044345 is an apocalyptic number.

It is an amenable number.

55044345 is a deficient number, since it is larger than the sum of its proper divisors (39238215).

55044345 is a wasteful number, since it uses less digits than its factorization.

55044345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 145 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The square root of 55044345 is about 7419.1876239923. The cubic root of 55044345 is about 380.3974258479.

The spelling of 55044345 in words is "fifty-five million, forty-four thousand, three hundred forty-five".