53388783 has 18 divisors (see below), whose sum is σ = 89708424. Its totient is φ = 30507624.

The previous prime is 53388761. The next prime is 53388787. The reversal of 53388783 is 38788335.

It is a happy number.

It is not a de Polignac number, because 53388783 - 2¹⁰ = 53387759 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53388787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 60091 + ... + 60972.

Almost surely, 2^53388783 is an apocalyptic number.

53388783 is a deficient number, since it is larger than the sum of its proper divisors (36319641).

53388783 is a wasteful number, since it uses less digits than its factorization.

53388783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121083 (or 121073 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 53388783 is about 7306.7628263137. The cubic root of 53388783 is about 376.5448167049.

The spelling of 53388783 in words is "fifty-three million, three hundred eighty-eight thousand, seven hundred eighty-three".