53404769 has 16 divisors (see below), whose sum is σ = 61969536. Its totient is φ = 45484800.

The previous prime is 53404721. The next prime is 53404787. The reversal of 53404769 is 96740435.

53404769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 53404769 - 2⁸ = 53404513 is a prime.

It is a super-2 number, since 2×53404769² = 5704138703886722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53404069) 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 in 15 ways as a sum of consecutive naturals, for example, 51284 + ... + 52314.

It is an arithmetic number, because the mean of its divisors is an integer number (3873096).

Almost surely, 2^53404769 is an apocalyptic number.

It is an amenable number.

53404769 is a deficient number, since it is larger than the sum of its proper divisors (8564767).

53404769 is a wasteful number, since it uses less digits than its factorization.

53404769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 90720, while the sum is 38.

The square root of 53404769 is about 7307.8566625242. The cubic root of 53404769 is about 376.5823954147.

The spelling of 53404769 in words is "fifty-three million, four hundred four thousand, seven hundred sixty-nine".