53420656 has 10 divisors (see below), whose sum is σ = 103502552. Its totient is φ = 26710320.

The previous prime is 53420603. The next prime is 53420659. The reversal of 53420656 is 65602435.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53420659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1669380 + ... + 1669411.

Almost surely, 2^53420656 is an apocalyptic number.

It is an amenable number.

53420656 is a deficient number, since it is larger than the sum of its proper divisors (50081896).

53420656 is a wasteful number, since it uses less digits than its factorization.

53420656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338799 (or 3338793 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 53420656 is about 7308.9435625130. The cubic root of 53420656 is about 376.6197339737.

The spelling of 53420656 in words is "fifty-three million, four hundred twenty thousand, six hundred fifty-six".