55443475 has 12 divisors (see below), whose sum is σ = 68865880. Its totient is φ = 44280000.

The previous prime is 55443473. The next prime is 55443481. The reversal of 55443475 is 57434455.

It is not a de Polignac number, because 55443475 - 2¹ = 55443473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55443473) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16975 + ... + 19975.

Almost surely, 2^55443475 is an apocalyptic number.

55443475 is a deficient number, since it is larger than the sum of its proper divisors (13422405).

55443475 is a wasteful number, since it uses less digits than its factorization.

55443475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3750 (or 3745 counting only the distinct ones).

The product of its digits is 168000, while the sum is 37.

The square root of 55443475 is about 7446.0375368380. The cubic root of 55443475 is about 381.3146410148.

The spelling of 55443475 in words is "fifty-five million, four hundred forty-three thousand, four hundred seventy-five".