53388793 has 2 divisors, whose sum is σ = 53388794. Its totient is φ = 53388792.

The previous prime is 53388787. The next prime is 53388821. The reversal of 53388793 is 39788335.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46403344 + 6985449 = 6812^2 + 2643^2 .

It is a cyclic number.

It is not a de Polignac number, because 53388793 - 2⁵ = 53388761 is a prime.

It is not a weakly prime, because it can be changed into another prime (53386793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26694396 + 26694397.

It is an arithmetic number, because the mean of its divisors is an integer number (26694397).

Almost surely, 2^53388793 is an apocalyptic number.

It is an amenable number.

53388793 is a deficient number, since it is larger than the sum of its proper divisors (1).

53388793 is an equidigital number, since it uses as much as digits as its factorization.

53388793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 46.

The square root of 53388793 is about 7306.7635106112. The cubic root of 53388793 is about 376.5448402145.

The spelling of 53388793 in words is "fifty-three million, three hundred eighty-eight thousand, seven hundred ninety-three".