53220656 has 10 divisors (see below), whose sum is σ = 103115052. Its totient is φ = 26610320.

The previous prime is 53220649. The next prime is 53220683. The reversal of 53220656 is 65602235.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1663130 + ... + 1663161.

Almost surely, 2^53220656 is an apocalyptic number.

It is an amenable number.

53220656 is a deficient number, since it is larger than the sum of its proper divisors (49894396).

53220656 is a wasteful number, since it uses less digits than its factorization.

53220656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326299 (or 3326293 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 53220656 is about 7295.2488648435. The cubic root of 53220656 is about 376.1491410765.

The spelling of 53220656 in words is "fifty-three million, two hundred twenty thousand, six hundred fifty-six".