53446413 has 8 divisors (see below), whose sum is σ = 71311968. Its totient is φ = 35605904.

The previous prime is 53446409. The next prime is 53446427. The reversal of 53446413 is 31464435.

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 53446413 - 2² = 53446409 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53446403) 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, 531 + ... + 10352.

It is an arithmetic number, because the mean of its divisors is an integer number (8913996).

Almost surely, 2^53446413 is an apocalyptic number.

It is an amenable number.

53446413 is a deficient number, since it is larger than the sum of its proper divisors (17865555).

53446413 is a wasteful number, since it uses less digits than its factorization.

53446413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12523.

The product of its digits is 17280, while the sum is 30.

The square root of 53446413 is about 7310.7053695249. The cubic root of 53446413 is about 376.6802538585.

The spelling of 53446413 in words is "fifty-three million, four hundred forty-six thousand, four hundred thirteen".