55044453 has 32 divisors (see below), whose sum is σ = 80196480. Its totient is φ = 33454080.

The previous prime is 55044433. The next prime is 55044461. The reversal of 55044453 is 35444055.

It is not a de Polignac number, because 55044453 - 2⁶ = 55044389 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55044453.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55044403) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 304023 + ... + 304203.

It is an arithmetic number, because the mean of its divisors is an integer number (2506140).

Almost surely, 2^55044453 is an apocalyptic number.

It is an amenable number.

55044453 is a deficient number, since it is larger than the sum of its proper divisors (25152027).

55044453 is a wasteful number, since it uses less digits than its factorization.

55044453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357.

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

The square root of 55044453 is about 7419.1949024136. The cubic root of 55044453 is about 380.3976746345.

The spelling of 55044453 in words is "fifty-five million, forty-four thousand, four hundred fifty-three".