53331923 has 2 divisors, whose sum is σ = 53331924. Its totient is φ = 53331922.

The previous prime is 53331881. The next prime is 53331947. The reversal of 53331923 is 32913335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53331923 - 2¹⁶ = 53266387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (53331973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26665961 + 26665962.

It is an arithmetic number, because the mean of its divisors is an integer number (26665962).

Almost surely, 2^53331923 is an apocalyptic number.

53331923 is a deficient number, since it is larger than the sum of its proper divisors (1).

53331923 is an equidigital number, since it uses as much as digits as its factorization.

53331923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7290, while the sum is 29.

The square root of 53331923 is about 7302.8708738413. The cubic root of 53331923 is about 376.4110935870.

The spelling of 53331923 in words is "fifty-three million, three hundred thirty-one thousand, nine hundred twenty-three".