53697944 has 8 divisors (see below), whose sum is σ = 100683660. Its totient is φ = 26848968.

The previous prime is 53697913. The next prime is 53698003. The reversal of 53697944 is 44979635.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3356114 + ... + 3356129.

Almost surely, 2^53697944 is an apocalyptic number.

It is an amenable number.

53697944 is a deficient number, since it is larger than the sum of its proper divisors (46985716).

53697944 is a wasteful number, since it uses less digits than its factorization.

53697944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6712249 (or 6712245 counting only the distinct ones).

The product of its digits is 816480, while the sum is 47.

The square root of 53697944 is about 7327.8880995823. Note that the first 3 decimals coincide. The cubic root of 53697944 is about 377.2702436554.

The spelling of 53697944 in words is "fifty-three million, six hundred ninety-seven thousand, nine hundred forty-four".