53506166407 has 2 divisors, whose sum is σ = 53506166408. Its totient is φ = 53506166406.

The previous prime is 53506166341. The next prime is 53506166429. The reversal of 53506166407 is 70466160535.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53506166407 - 2⁷ = 53506166279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53506166447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26753083203 + 26753083204.

It is an arithmetic number, because the mean of its divisors is an integer number (26753083204).

Almost surely, 2^53506166407 is an apocalyptic number.

53506166407 is a deficient number, since it is larger than the sum of its proper divisors (1).

53506166407 is an equidigital number, since it uses as much as digits as its factorization.

53506166407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 53506166407 in words is "fifty-three billion, five hundred six million, one hundred sixty-six thousand, four hundred seven".