53371939 has 2 divisors, whose sum is σ = 53371940. Its totient is φ = 53371938.

The previous prime is 53371909. The next prime is 53371943. The reversal of 53371939 is 93917335.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53371939 - 2⁷ = 53371811 is a prime.

It is not a weakly prime, because it can be changed into another prime (53371909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26685969 + 26685970.

It is an arithmetic number, because the mean of its divisors is an integer number (26685970).

Almost surely, 2^53371939 is an apocalyptic number.

53371939 is a deficient number, since it is larger than the sum of its proper divisors (1).

53371939 is an equidigital number, since it uses as much as digits as its factorization.

53371939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 76545, while the sum is 40.

The square root of 53371939 is about 7305.6101045703. The cubic root of 53371939 is about 376.5052129550.

The spelling of 53371939 in words is "fifty-three million, three hundred seventy-one thousand, nine hundred thirty-nine".