53549856 has 48 divisors (see below), whose sum is σ = 156189600. Its totient is φ = 17849664.

The previous prime is 53549851. The next prime is 53549861. The reversal of 53549856 is 65894535.

53549856 is a `hidden beast` number, since 53 + 549 + 8 + 56 = 666.

It is an interprime number because it is at equal distance from previous prime (53549851) and next prime (53549861).

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (53549851) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30126 + ... + 31853.

It is an arithmetic number, because the mean of its divisors is an integer number (3253950).

Almost surely, 2^53549856 is an apocalyptic number.

It is an amenable number.

53549856 is an abundant number, since it is smaller than the sum of its proper divisors (102639744).

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

53549856 is a wasteful number, since it uses less digits than its factorization.

53549856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61998 (or 61984 counting only the distinct ones).

The product of its digits is 648000, while the sum is 45.

The square root of 53549856 is about 7317.7767115429. The cubic root of 53549856 is about 376.9231128397.

The spelling of 53549856 in words is "fifty-three million, five hundred forty-nine thousand, eight hundred fifty-six".