53818856 has 96 divisors (see below), whose sum is σ = 129276000. Its totient is φ = 20813184.

The previous prime is 53818847. The next prime is 53818879. The reversal of 53818856 is 65881835.

It is a super-2 number, since 2×53818856² = 5792938522297472, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 300575 + ... + 300753.

It is an arithmetic number, because the mean of its divisors is an integer number (1346625).

Almost surely, 2^53818856 is an apocalyptic number.

53818856 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 53818856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64638000).

53818856 is an abundant number, since it is smaller than the sum of its proper divisors (75457144).

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

53818856 is a wasteful number, since it uses less digits than its factorization.

53818856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271 (or 260 counting only the distinct ones).

The product of its digits is 230400, while the sum is 44.

The square root of 53818856 is about 7336.1335865700. The cubic root of 53818856 is about 377.5531986486.

The spelling of 53818856 in words is "fifty-three million, eight hundred eighteen thousand, eight hundred fifty-six".