52551623 has 2 divisors, whose sum is σ = 52551624. Its totient is φ = 52551622.

The previous prime is 52551599. The next prime is 52551637. The reversal of 52551623 is 32615525.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 52551623 - 2¹⁴ = 52535239 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 (52551643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26275811 + 26275812.

It is an arithmetic number, because the mean of its divisors is an integer number (26275812).

Almost surely, 2^52551623 is an apocalyptic number.

52551623 is a deficient number, since it is larger than the sum of its proper divisors (1).

52551623 is an equidigital number, since it uses as much as digits as its factorization.

52551623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9000, while the sum is 29.

The square root of 52551623 is about 7249.2498232576. The cubic root of 52551623 is about 374.5663086990.

The spelling of 52551623 in words is "fifty-two million, five hundred fifty-one thousand, six hundred twenty-three".