53197798747 has 2 divisors, whose sum is σ = 53197798748. Its totient is φ = 53197798746.

The previous prime is 53197798739. The next prime is 53197798751. The reversal of 53197798747 is 74789779135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53197798747 - 2³ = 53197798739 is a prime.

It is not a weakly prime, because it can be changed into another prime (53197798727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26598899373 + 26598899374.

It is an arithmetic number, because the mean of its divisors is an integer number (26598899374).

Almost surely, 2^53197798747 is an apocalyptic number.

53197798747 is a deficient number, since it is larger than the sum of its proper divisors (1).

53197798747 is an equidigital number, since it uses as much as digits as its factorization.

53197798747 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93350880, while the sum is 67.

The spelling of 53197798747 in words is "fifty-three billion, one hundred ninety-seven million, seven hundred ninety-eight thousand, seven hundred forty-seven".