55433445 has 32 divisors (see below), whose sum is σ = 92136960. Its totient is φ = 28439040.

The previous prime is 55433429. The next prime is 55433453. The reversal of 55433445 is 54433455.

It is not a de Polignac number, because 55433445 - 2⁴ = 55433429 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42361 + ... + 43649.

It is an arithmetic number, because the mean of its divisors is an integer number (2879280).

Almost surely, 2^55433445 is an apocalyptic number.

It is an amenable number.

55433445 is a deficient number, since it is larger than the sum of its proper divisors (36703515).

55433445 is a wasteful number, since it uses less digits than its factorization.

55433445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 72000, while the sum is 33.

The square root of 55433445 is about 7445.3639937883. The cubic root of 55433445 is about 381.2916457239.

The spelling of 55433445 in words is "fifty-five million, four hundred thirty-three thousand, four hundred forty-five".