53404787 has 2 divisors, whose sum is σ = 53404788. Its totient is φ = 53404786.

The previous prime is 53404721. The next prime is 53404807. The reversal of 53404787 is 78740435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53404787 - 2¹⁴ = 53388403 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53404787.

It is not a weakly prime, because it can be changed into another prime (53404187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26702393 + 26702394.

It is an arithmetic number, because the mean of its divisors is an integer number (26702394).

Almost surely, 2^53404787 is an apocalyptic number.

53404787 is a deficient number, since it is larger than the sum of its proper divisors (1).

53404787 is an equidigital number, since it uses as much as digits as its factorization.

53404787 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 53404787 is about 7307.8578940754. The cubic root of 53404787 is about 376.5824377235.

The spelling of 53404787 in words is "fifty-three million, four hundred four thousand, seven hundred eighty-seven".