53853380 has 48 divisors (see below), whose sum is σ = 129964800. Its totient is φ = 18361728.

The previous prime is 53853379. The next prime is 53853469. The reversal of 53853380 is 8335835.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 53853380.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26894 + ... + 28826.

It is an arithmetic number, because the mean of its divisors is an integer number (2707600).

Almost surely, 2^53853380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53853380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64982400).

53853380 is an abundant number, since it is smaller than the sum of its proper divisors (76111420).

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

53853380 is a wasteful number, since it uses less digits than its factorization.

53853380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2146 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 53853380 is about 7338.4862199230. The cubic root of 53853380 is about 377.6339129894.

The spelling of 53853380 in words is "fifty-three million, eight hundred fifty-three thousand, three hundred eighty".