49148961 has 4 divisors (see below), whose sum is σ = 65531952. Its totient is φ = 32765972.

The previous prime is 49148959. The next prime is 49148963. The reversal of 49148961 is 16984194.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (49148959) and next prime (49148963).

It is a cyclic number.

It is not a de Polignac number, because 49148961 - 2¹ = 49148959 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49148963) 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, 8191491 + ... + 8191496.

It is an arithmetic number, because the mean of its divisors is an integer number (16382988).

Almost surely, 2^49148961 is an apocalyptic number.

It is an amenable number.

49148961 is a deficient number, since it is larger than the sum of its proper divisors (16382991).

49148961 is a wasteful number, since it uses less digits than its factorization.

49148961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16382990.

The product of its digits is 62208, while the sum is 42.

The square root of 49148961 is about 7010.6319971883. The cubic root of 49148961 is about 366.3010080114.

The spelling of 49148961 in words is "forty-nine million, one hundred forty-eight thousand, nine hundred sixty-one".