53348820 has 96 divisors (see below), whose sum is σ = 175381248. Its totient is φ = 11860992.

The previous prime is 53348819. The next prime is 53348929. The reversal of 53348820 is 2884335.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13824 + ... + 17256.

It is an arithmetic number, because the mean of its divisors is an integer number (1826888).

Almost surely, 2^53348820 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 53348820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87690624).

53348820 is an abundant number, since it is smaller than the sum of its proper divisors (122032428).

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

53348820 is a wasteful number, since it uses less digits than its factorization.

53348820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3489 (or 3487 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 53348820 is about 7304.0276560265. The cubic root of 53348820 is about 376.4508418047.

The spelling of 53348820 in words is "fifty-three million, three hundred forty-eight thousand, eight hundred twenty".