53977965859 has 2 divisors, whose sum is σ = 53977965860. Its totient is φ = 53977965858.

The previous prime is 53977965857. The next prime is 53977965983. The reversal of 53977965859 is 95856977935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53977965859 - 2¹ = 53977965857 is a prime.

Together with 53977965857, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53977965791 and 53977965800.

It is not a weakly prime, because it can be changed into another prime (53977965857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26988982929 + 26988982930.

It is an arithmetic number, because the mean of its divisors is an integer number (26988982930).

Almost surely, 2^53977965859 is an apocalyptic number.

53977965859 is a deficient number, since it is larger than the sum of its proper divisors (1).

53977965859 is an equidigital number, since it uses as much as digits as its factorization.

53977965859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 642978000, while the sum is 73.

The spelling of 53977965859 in words is "fifty-three billion, nine hundred seventy-seven million, nine hundred sixty-five thousand, eight hundred fifty-nine".