49197959 has 4 divisors (see below), whose sum is σ = 49890960. Its totient is φ = 48504960.

The previous prime is 49197947. The next prime is 49197979. The reversal of 49197959 is 95979194.

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 49197959 - 2⁸ = 49197703 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49197959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49197919) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346394 + ... + 346535.

It is an arithmetic number, because the mean of its divisors is an integer number (12472740).

Almost surely, 2^49197959 is an apocalyptic number.

49197959 is a deficient number, since it is larger than the sum of its proper divisors (693001).

49197959 is an equidigital number, since it uses as much as digits as its factorization.

49197959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 693000.

The product of its digits is 918540, while the sum is 53.

The square root of 49197959 is about 7014.1256760911. The cubic root of 49197959 is about 366.4226928882.

The spelling of 49197959 in words is "forty-nine million, one hundred ninety-seven thousand, nine hundred fifty-nine".