53662656 has 56 divisors (see below), whose sum is σ = 142636240. Its totient is φ = 17805312.

The previous prime is 53662649. The next prime is 53662663. The reversal of 53662656 is 65626635.

It is an interprime number because it is at equal distance from previous prime (53662649) and next prime (53662663).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52680 + ... + 53688.

Almost surely, 2^53662656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53662656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71318120).

53662656 is an abundant number, since it is smaller than the sum of its proper divisors (88973584).

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

53662656 is a wasteful number, since it uses less digits than its factorization.

53662656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1291 counting only the distinct ones).

The product of its digits is 194400, while the sum is 39.

The square root of 53662656 is about 7325.4799160192. The cubic root of 53662656 is about 377.1875835713.

The spelling of 53662656 in words is "fifty-three million, six hundred sixty-two thousand, six hundred fifty-six".