53383775 has 12 divisors (see below), whose sum is σ = 67605792. Its totient is φ = 41797440.

The previous prime is 53383739. The next prime is 53383777. The reversal of 53383775 is 57738335.

It is a happy number.

It is not a de Polignac number, because 53383775 - 2¹⁰ = 53382751 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53383777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21542 + ... + 23891.

It is an arithmetic number, because the mean of its divisors is an integer number (5633816).

Almost surely, 2^53383775 is an apocalyptic number.

53383775 is a deficient number, since it is larger than the sum of its proper divisors (14222017).

53383775 is a wasteful number, since it uses less digits than its factorization.

53383775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45490 (or 45485 counting only the distinct ones).

The product of its digits is 264600, while the sum is 41.

The square root of 53383775 is about 7306.4201220570. The cubic root of 53383775 is about 376.5330427248.

The spelling of 53383775 in words is "fifty-three million, three hundred eighty-three thousand, seven hundred seventy-five".