53694623 has 2 divisors, whose sum is σ = 53694624. Its totient is φ = 53694622.

The previous prime is 53694611. The next prime is 53694637. The reversal of 53694623 is 32649635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53694623 - 2¹⁶ = 53629087 is a prime.

It is a super-2 number, since 2×53694623² = 5766225078224258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53694643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26847311 + 26847312.

It is an arithmetic number, because the mean of its divisors is an integer number (26847312).

Almost surely, 2^53694623 is an apocalyptic number.

53694623 is a deficient number, since it is larger than the sum of its proper divisors (1).

53694623 is an equidigital number, since it uses as much as digits as its factorization.

53694623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 38.

The square root of 53694623 is about 7327.6614960027. The cubic root of 53694623 is about 377.2624659503.

It can be divided in two parts, 536 and 94623, that added together give a palindrome (95159).

The spelling of 53694623 in words is "fifty-three million, six hundred ninety-four thousand, six hundred twenty-three".