55374559 has 16 divisors (see below), whose sum is σ = 61236000. Its totient is φ = 49853440.

The previous prime is 55374521. The next prime is 55374581. The reversal of 55374559 is 95547355.

It is a cyclic number.

It is not a de Polignac number, because 55374559 - 2⁹ = 55374047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55374589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36192 + ... + 37690.

It is an arithmetic number, because the mean of its divisors is an integer number (3827250).

Almost surely, 2^55374559 is an apocalyptic number.

55374559 is a deficient number, since it is larger than the sum of its proper divisors (5861441).

55374559 is a wasteful number, since it uses less digits than its factorization.

55374559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610.

The product of its digits is 472500, while the sum is 43.

The square root of 55374559 is about 7441.4084016401. The cubic root of 55374559 is about 381.1565846915.

The spelling of 55374559 in words is "fifty-five million, three hundred seventy-four thousand, five hundred fifty-nine".