52406993 has 2 divisors, whose sum is σ = 52406994. Its totient is φ = 52406992.

The previous prime is 52406987. The next prime is 52406999. The reversal of 52406993 is 39960425.

It is a balanced prime because it is at equal distance from previous prime (52406987) and next prime (52406999).

It can be written as a sum of positive squares in only one way, i.e., 28121809 + 24285184 = 5303^2 + 4928^2 .

It is a cyclic number.

It is not a de Polignac number, because 52406993 - 2⁶ = 52406929 is a prime.

It is not a weakly prime, because it can be changed into another prime (52406999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26203496 + 26203497.

It is an arithmetic number, because the mean of its divisors is an integer number (26203497).

Almost surely, 2^52406993 is an apocalyptic number.

It is an amenable number.

52406993 is a deficient number, since it is larger than the sum of its proper divisors (1).

52406993 is an equidigital number, since it uses as much as digits as its factorization.

52406993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58320, while the sum is 38.

The square root of 52406993 is about 7239.2674353142. The cubic root of 52406993 is about 374.2223719745. Note that the first 3 decimals are identical.

The spelling of 52406993 in words is "fifty-two million, four hundred six thousand, nine hundred ninety-three".