49197579 has 8 divisors (see below), whose sum is σ = 66992640. Its totient is φ = 32100456.

The previous prime is 49197559. The next prime is 49197583. The reversal of 49197579 is 97579194.

It is a happy number.

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

It is not a de Polignac number, because 49197579 - 2¹⁵ = 49164811 is a prime.

It is a super-2 number, since 2×49197579² = 4840803558922482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49197539) 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, 174319 + ... + 174600.

It is an arithmetic number, because the mean of its divisors is an integer number (8374080).

Almost surely, 2^49197579 is an apocalyptic number.

49197579 is a deficient number, since it is larger than the sum of its proper divisors (17795061).

49197579 is a wasteful number, since it uses less digits than its factorization.

49197579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348969.

The product of its digits is 714420, while the sum is 51.

The square root of 49197579 is about 7014.0985878443. The cubic root of 49197579 is about 366.4217494820.

The spelling of 49197579 in words is "forty-nine million, one hundred ninety-seven thousand, five hundred seventy-nine".