53468809 has 8 divisors (see below), whose sum is σ = 54501120. Its totient is φ = 52440816.

The previous prime is 53468759. The next prime is 53468839. The reversal of 53468809 is 90886435.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53468809 - 2⁹ = 53468297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53468839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35067 + ... + 36559.

It is an arithmetic number, because the mean of its divisors is an integer number (6812640).

Almost surely, 2^53468809 is an apocalyptic number.

53468809 is a gapful number since it is divisible by the number (59) formed by its first and last digit.

It is an amenable number.

53468809 is a deficient number, since it is larger than the sum of its proper divisors (1032311).

53468809 is a wasteful number, since it uses less digits than its factorization.

53468809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 53468809 is about 7312.2369354391. The cubic root of 53468809 is about 376.7328607746.

The spelling of 53468809 in words is "fifty-three million, four hundred sixty-eight thousand, eight hundred nine".