49211579 has 4 divisors (see below), whose sum is σ = 50908560. Its totient is φ = 47514600.

The previous prime is 49211551. The next prime is 49211581. The reversal of 49211579 is 97511294.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97511294 = 2 ⋅48755647.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49211579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49211509) 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 3 ways as a sum of consecutive naturals, for example, 848447 + ... + 848504.

It is an arithmetic number, because the mean of its divisors is an integer number (12727140).

Almost surely, 2^49211579 is an apocalyptic number.

49211579 is a deficient number, since it is larger than the sum of its proper divisors (1696981).

49211579 is a wasteful number, since it uses less digits than its factorization.

49211579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696980.

The product of its digits is 22680, while the sum is 38.

The square root of 49211579 is about 7015.0965068201. The cubic root of 49211579 is about 366.4565033464.

The spelling of 49211579 in words is "forty-nine million, two hundred eleven thousand, five hundred seventy-nine".