53994623 has 2 divisors, whose sum is σ = 53994624. Its totient is φ = 53994622.

The previous prime is 53994583. The next prime is 53994631. The reversal of 53994623 is 32649935.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53994623 - 2⁶ = 53994559 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53994643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26997311 + 26997312.

It is an arithmetic number, because the mean of its divisors is an integer number (26997312).

Almost surely, 2^53994623 is an apocalyptic number.

53994623 is a deficient number, since it is larger than the sum of its proper divisors (1).

53994623 is an equidigital number, since it uses as much as digits as its factorization.

53994623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 174960, while the sum is 41.

The square root of 53994623 is about 7348.1033607319. The cubic root of 53994623 is about 377.9637690048.

The spelling of 53994623 in words is "fifty-three million, nine hundred ninety-four thousand, six hundred twenty-three".