53671856 has 60 divisors (see below), whose sum is σ = 128114568. Its totient is φ = 21643776.

The previous prime is 53671847. The next prime is 53671861. The reversal of 53671856 is 65817635.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11315 + ... + 15341.

Almost surely, 2^53671856 is an apocalyptic number.

53671856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53671856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64057284).

53671856 is an abundant number, since it is smaller than the sum of its proper divisors (74442712).

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

53671856 is a wasteful number, since it uses less digits than its factorization.

53671856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066 (or 4053 counting only the distinct ones).

The product of its digits is 151200, while the sum is 41.

The square root of 53671856 is about 7326.1078343142. The cubic root of 53671856 is about 377.2091375267.

The spelling of 53671856 in words is "fifty-three million, six hundred seventy-one thousand, eight hundred fifty-six".