49197961 has 8 divisors (see below), whose sum is σ = 51430400. Its totient is φ = 47005920.

The previous prime is 49197947. The next prime is 49197979. The reversal of 49197961 is 16979194.

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

It is not a de Polignac number, because 49197961 - 2¹³ = 49189769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49194961) 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, 7596 + ... + 12493.

It is an arithmetic number, because the mean of its divisors is an integer number (6428800).

Almost surely, 2^49197961 is an apocalyptic number.

It is an amenable number.

49197961 is a deficient number, since it is larger than the sum of its proper divisors (2232439).

49197961 is a wasteful number, since it uses less digits than its factorization.

49197961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20199.

The product of its digits is 122472, while the sum is 46.

The square root of 49197961 is about 7014.1258186605. The cubic root of 49197961 is about 366.4226978535.

It can be divided in two parts, 4919 and 7961, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 49197961 in words is "forty-nine million, one hundred ninety-seven thousand, nine hundred sixty-one".