49279557 has 8 divisors (see below), whose sum is σ = 65743200. Its totient is φ = 32834480.

The previous prime is 49279519. The next prime is 49279561. The reversal of 49279557 is 75597294.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49279557 - 2¹⁶ = 49214021 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49279577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3694 + ... + 10592.

It is an arithmetic number, because the mean of its divisors is an integer number (8217900).

Almost surely, 2^49279557 is an apocalyptic number.

It is an amenable number.

49279557 is a deficient number, since it is larger than the sum of its proper divisors (16463643).

49279557 is a wasteful number, since it uses less digits than its factorization.

49279557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9283.

The product of its digits is 793800, while the sum is 48.

The square root of 49279557 is about 7019.9399570082. The cubic root of 49279557 is about 366.6251595807.

The spelling of 49279557 in words is "forty-nine million, two hundred seventy-nine thousand, five hundred fifty-seven".