53804407 has 4 divisors (see below), whose sum is σ = 53954640. Its totient is φ = 53654176.

The previous prime is 53804393. The next prime is 53804441. The reversal of 53804407 is 70440835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53804407 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 (53804477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74578 + ... + 75295.

It is an arithmetic number, because the mean of its divisors is an integer number (13488660).

Almost surely, 2^53804407 is an apocalyptic number.

53804407 is a deficient number, since it is larger than the sum of its proper divisors (150233).

53804407 is a wasteful number, since it uses less digits than its factorization.

53804407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150232.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 53804407 is about 7335.1487374149. The cubic root of 53804407 is about 377.5194078001.

The spelling of 53804407 in words is "fifty-three million, eight hundred four thousand, four hundred seven".