53062993 has 2 divisors, whose sum is σ = 53062994. Its totient is φ = 53062992.

The previous prime is 53062981. The next prime is 53063027. The reversal of 53062993 is 39926035.

53062993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52896529 + 166464 = 7273^2 + 408^2 .

It is a cyclic number.

It is not a de Polignac number, because 53062993 - 2¹³ = 53054801 is a prime.

It is a super-2 number, since 2×53062993² = 5631362452236098, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53062963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26531496 + 26531497.

It is an arithmetic number, because the mean of its divisors is an integer number (26531497).

Almost surely, 2^53062993 is an apocalyptic number.

It is an amenable number.

53062993 is a deficient number, since it is larger than the sum of its proper divisors (1).

53062993 is an equidigital number, since it uses as much as digits as its factorization.

53062993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 37.

The square root of 53062993 is about 7284.4349815205. The cubic root of 53062993 is about 375.7773339289. Note that the first 3 decimals are identical.

Subtracting from 53062993 its product of nonzero digits (43740), we obtain a triangular number (53019253 = T₁₀₂₉₇).

The spelling of 53062993 in words is "fifty-three million, sixty-two thousand, nine hundred ninety-three".