53448191920977 has 128 divisors (see below), whose sum is σ = 89368226734080. Its totient is φ = 27732886272000.

The previous prime is 53448191920933. The next prime is 53448191920999. The reversal of 53448191920977 is 77902919184435.

It is not a de Polignac number, because 53448191920977 - 2⁶ = 53448191920913 is a prime.

It is not an unprimeable number, because it can be changed into a prime (53448191920927) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 851176452 + ... + 851239242.

It is an arithmetic number, because the mean of its divisors is an integer number (698189271360).

Almost surely, 2^{53448191920977} is an apocalyptic number.

53448191920977 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

53448191920977 is a deficient number, since it is larger than the sum of its proper divisors (35920034813103).

53448191920977 is a wasteful number, since it uses less digits than its factorization.

53448191920977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63775.

The product of its (nonzero) digits is 137168640, while the sum is 69.

The spelling of 53448191920977 in words is "fifty-three trillion, four hundred forty-eight billion, one hundred ninety-one million, nine hundred twenty thousand, nine hundred seventy-seven".