55738579 has 4 divisors (see below), whose sum is σ = 60026176. Its totient is φ = 51450984.

The previous prime is 55738577. The next prime is 55738601. The reversal of 55738579 is 97583755.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97583755 = 5 ⋅19516751.

It is not a de Polignac number, because 55738579 - 2¹ = 55738577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55738577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2143779 + ... + 2143804.

It is an arithmetic number, because the mean of its divisors is an integer number (15006544).

Almost surely, 2^55738579 is an apocalyptic number.

55738579 is a deficient number, since it is larger than the sum of its proper divisors (4287597).

55738579 is a wasteful number, since it uses less digits than its factorization.

55738579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4287596.

The product of its digits is 1323000, while the sum is 49.

The square root of 55738579 is about 7465.8274156318. The cubic root of 55738579 is about 381.9899739700.

The spelling of 55738579 in words is "fifty-five million, seven hundred thirty-eight thousand, five hundred seventy-nine".