53897656 has 8 divisors (see below), whose sum is σ = 101058120. Its totient is φ = 26948824.

The previous prime is 53897653. The next prime is 53897659. The reversal of 53897656 is 65679835.

It is an interprime number because it is at equal distance from previous prime (53897653) and next prime (53897659).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53897653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3368596 + ... + 3368611.

It is an arithmetic number, because the mean of its divisors is an integer number (12632265).

Almost surely, 2^53897656 is an apocalyptic number.

It is an amenable number.

53897656 is a deficient number, since it is larger than the sum of its proper divisors (47160464).

53897656 is a wasteful number, since it uses less digits than its factorization.

53897656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6737213 (or 6737209 counting only the distinct ones).

The product of its digits is 1360800, while the sum is 49.

The square root of 53897656 is about 7341.5022985762. The cubic root of 53897656 is about 377.7373762510.

The spelling of 53897656 in words is "fifty-three million, eight hundred ninety-seven thousand, six hundred fifty-six".