53787379 has 2 divisors, whose sum is σ = 53787380. Its totient is φ = 53787378.

The previous prime is 53787359. The next prime is 53787407. The reversal of 53787379 is 97378735.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53787379 is a prime.

It is not a weakly prime, because it can be changed into another prime (53787329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26893689 + 26893690.

It is an arithmetic number, because the mean of its divisors is an integer number (26893690).

Almost surely, 2^53787379 is an apocalyptic number.

53787379 is a deficient number, since it is larger than the sum of its proper divisors (1).

53787379 is an equidigital number, since it uses as much as digits as its factorization.

53787379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1111320, while the sum is 49.

The square root of 53787379 is about 7333.9879329053. The cubic root of 53787379 is about 377.4795778611.

The spelling of 53787379 in words is "fifty-three million, seven hundred eighty-seven thousand, three hundred seventy-nine".