53877998089 has 2 divisors, whose sum is σ = 53877998090. Its totient is φ = 53877998088.

The previous prime is 53877997997. The next prime is 53877998113. The reversal of 53877998089 is 98089977835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39449904400 + 14428093689 = 198620^2 + 120117^2 .

It is a cyclic number.

It is not a de Polignac number, because 53877998089 - 2²¹ = 53875900937 is a prime.

It is not a weakly prime, because it can be changed into another prime (53877998989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26938999044 + 26938999045.

It is an arithmetic number, because the mean of its divisors is an integer number (26938999045).

Almost surely, 2^53877998089 is an apocalyptic number.

It is an amenable number.

53877998089 is a deficient number, since it is larger than the sum of its proper divisors (1).

53877998089 is an equidigital number, since it uses as much as digits as its factorization.

53877998089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 274337280, while the sum is 73.

The spelling of 53877998089 in words is "fifty-three billion, eight hundred seventy-seven million, nine hundred ninety-eight thousand, eighty-nine".