53416644 has 12 divisors (see below), whose sum is σ = 124638864. Its totient is φ = 17805544.

The previous prime is 53416631. The next prime is 53416661. The reversal of 53416644 is 44661435.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2225682 + ... + 2225705.

It is an arithmetic number, because the mean of its divisors is an integer number (10386572).

Almost surely, 2^53416644 is an apocalyptic number.

It is an amenable number.

53416644 is an abundant number, since it is smaller than the sum of its proper divisors (71222220).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53416644 is a wasteful number, since it uses less digits than its factorization.

53416644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451394 (or 4451392 counting only the distinct ones).

The product of its digits is 34560, while the sum is 33.

The square root of 53416644 is about 7308.6690990905. The cubic root of 53416644 is about 376.6103054348.

The spelling of 53416644 in words is "fifty-three million, four hundred sixteen thousand, six hundred forty-four".