53280379 has 2 divisors, whose sum is σ = 53280380. Its totient is φ = 53280378.

The previous prime is 53280349. The next prime is 53280391. The reversal of 53280379 is 97308235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53280379 - 2⁵ = 53280347 is a prime.

It is not a weakly prime, because it can be changed into another prime (53280319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26640189 + 26640190.

It is an arithmetic number, because the mean of its divisors is an integer number (26640190).

Almost surely, 2^53280379 is an apocalyptic number.

53280379 is a deficient number, since it is larger than the sum of its proper divisors (1).

53280379 is an equidigital number, since it uses as much as digits as its factorization.

53280379 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 53280379 is about 7299.3409976518. The cubic root of 53280379 is about 376.2897904593.

The spelling of 53280379 in words is "fifty-three million, two hundred eighty thousand, three hundred seventy-nine".