49280579 has 4 divisors (see below), whose sum is σ = 49319760. Its totient is φ = 49241400.

The previous prime is 49280557. The next prime is 49280597. The reversal of 49280579 is 97508294.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 49280579 - 2¹² = 49276483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49280519) 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, 17639 + ... + 20240.

It is an arithmetic number, because the mean of its divisors is an integer number (12329940).

Almost surely, 2^49280579 is an apocalyptic number.

49280579 is a deficient number, since it is larger than the sum of its proper divisors (39181).

49280579 is a wasteful number, since it uses less digits than its factorization.

49280579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39180.

The product of its (nonzero) digits is 181440, while the sum is 44.

The square root of 49280579 is about 7020.0127492762. The cubic root of 49280579 is about 366.6276940212.

The spelling of 49280579 in words is "forty-nine million, two hundred eighty thousand, five hundred seventy-nine".