48877649 has 2 divisors, whose sum is σ = 48877650. Its totient is φ = 48877648.

The previous prime is 48877613. The next prime is 48877657. The reversal of 48877649 is 94677884.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48205249 + 672400 = 6943^2 + 820^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-48877649 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 48877649.

It is not a weakly prime, because it can be changed into another prime (48877249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24438824 + 24438825.

It is an arithmetic number, because the mean of its divisors is an integer number (24438825).

Almost surely, 2^48877649 is an apocalyptic number.

It is an amenable number.

48877649 is a deficient number, since it is larger than the sum of its proper divisors (1).

48877649 is an equidigital number, since it uses as much as digits as its factorization.

48877649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2709504, while the sum is 53.

The square root of 48877649 is about 6991.2551805810. The cubic root of 48877649 is about 365.6257459161.

The spelling of 48877649 in words is "forty-eight million, eight hundred seventy-seven thousand, six hundred forty-nine".