53214787 has 2 divisors, whose sum is σ = 53214788. Its totient is φ = 53214786.

The previous prime is 53214767. The next prime is 53214793. The reversal of 53214787 is 78741235.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53214787 - 2¹⁹ = 52690499 is a prime.

It is not a weakly prime, because it can be changed into another prime (53214767) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26607393 + 26607394.

It is an arithmetic number, because the mean of its divisors is an integer number (26607394).

Almost surely, 2^53214787 is an apocalyptic number.

53214787 is a deficient number, since it is larger than the sum of its proper divisors (1).

53214787 is an equidigital number, since it uses as much as digits as its factorization.

53214787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 47040, while the sum is 37.

The square root of 53214787 is about 7294.8466056525. The cubic root of 53214787 is about 376.1353137356.

It can be divided in two parts, 53 and 214787, that added together give a triangular number (214840 = T₆₅₅).

The spelling of 53214787 in words is "fifty-three million, two hundred fourteen thousand, seven hundred eighty-seven".