53777623 has 2 divisors, whose sum is σ = 53777624. Its totient is φ = 53777622.

The previous prime is 53777599. The next prime is 53777663. The reversal of 53777623 is 32677735.

It is a happy number.

It is an a-pointer prime, because the next prime (53777663) can be obtained adding 53777623 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53777623 - 2¹³ = 53769431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53777663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26888811 + 26888812.

It is an arithmetic number, because the mean of its divisors is an integer number (26888812).

Almost surely, 2^53777623 is an apocalyptic number.

53777623 is a deficient number, since it is larger than the sum of its proper divisors (1).

53777623 is an equidigital number, since it uses as much as digits as its factorization.

53777623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 185220, while the sum is 40.

The square root of 53777623 is about 7333.3227802954. The cubic root of 53777623 is about 377.4567539600.

The spelling of 53777623 in words is "fifty-three million, seven hundred seventy-seven thousand, six hundred twenty-three".