53889679 has 2 divisors, whose sum is σ = 53889680. Its totient is φ = 53889678.

The previous prime is 53889617. The next prime is 53889697. The reversal of 53889679 is 97698835.

It is a happy number.

Together with next prime (53889697) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53889679 - 2¹⁹ = 53365391 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53889079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26944839 + 26944840.

It is an arithmetic number, because the mean of its divisors is an integer number (26944840).

Almost surely, 2^53889679 is an apocalyptic number.

53889679 is a deficient number, since it is larger than the sum of its proper divisors (1).

53889679 is an equidigital number, since it uses as much as digits as its factorization.

53889679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 55.

The square root of 53889679 is about 7340.9589972973. The cubic root of 53889679 is about 377.7187399444.

The spelling of 53889679 in words is "fifty-three million, eight hundred eighty-nine thousand, six hundred seventy-nine".