53489456 has 20 divisors (see below), whose sum is σ = 107210400. Its totient is φ = 25822272.

The previous prime is 53489441. The next prime is 53489473. The reversal of 53489456 is 65498435.

It is a super-2 number, since 2×53489456² = 5722243806351872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57176 + ... + 58103.

It is an arithmetic number, because the mean of its divisors is an integer number (5360520).

Almost surely, 2^53489456 is an apocalyptic number.

It is an amenable number.

53489456 is an abundant number, since it is smaller than the sum of its proper divisors (53720944).

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

53489456 is a wasteful number, since it uses less digits than its factorization.

53489456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115316 (or 115310 counting only the distinct ones).

The product of its digits is 518400, while the sum is 44.

The square root of 53489456 is about 7313.6486106457. The cubic root of 53489456 is about 376.7813463779.

The spelling of 53489456 in words is "fifty-three million, four hundred eighty-nine thousand, four hundred fifty-six".