53077376649 has 16 divisors (see below), whose sum is σ = 77227669440. Its totient is φ = 32158018560.

The previous prime is 53077376647. The next prime is 53077376657. The reversal of 53077376649 is 94667377035.

It is not a de Polignac number, because 53077376649 - 2¹ = 53077376647 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53077376647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144712 + ... + 356505.

It is an arithmetic number, because the mean of its divisors is an integer number (4826729340).

Almost surely, 2^53077376649 is an apocalyptic number.

It is an amenable number.

53077376649 is a deficient number, since it is larger than the sum of its proper divisors (24150292791).

53077376649 is a wasteful number, since it uses less digits than its factorization.

53077376649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504440.

The product of its (nonzero) digits is 20003760, while the sum is 57.

The spelling of 53077376649 in words is "fifty-three billion, seventy-seven million, three hundred seventy-six thousand, six hundred forty-nine".