53454787 has 2 divisors, whose sum is σ = 53454788. Its totient is φ = 53454786.

The previous prime is 53454781. The next prime is 53454803. The reversal of 53454787 is 78745435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53454787 - 2⁷ = 53454659 is a prime.

It is not a weakly prime, because it can be changed into another prime (53454781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26727393 + 26727394.

It is an arithmetic number, because the mean of its divisors is an integer number (26727394).

Almost surely, 2^53454787 is an apocalyptic number.

53454787 is a deficient number, since it is larger than the sum of its proper divisors (1).

53454787 is an equidigital number, since it uses as much as digits as its factorization.

53454787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470400, while the sum is 43.

The square root of 53454787 is about 7311.2780688468. The cubic root of 53454787 is about 376.6999256228.

The spelling of 53454787 in words is "fifty-three million, four hundred fifty-four thousand, seven hundred eighty-seven".