53262820 has 24 divisors (see below), whose sum is σ = 120456504. Its totient is φ = 19666176.

The previous prime is 53262809. The next prime is 53262829. The reversal of 53262820 is 2826235.

It can be written as a sum of positive squares in 4 ways, for example, as 729316 + 52533504 = 854^2 + 7248^2 .

It is not an unprimeable number, because it can be changed into a prime (53262829) 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, 102169 + ... + 102688.

It is an arithmetic number, because the mean of its divisors is an integer number (5019021).

Almost surely, 2^53262820 is an apocalyptic number.

It is an amenable number.

53262820 is an abundant number, since it is smaller than the sum of its proper divisors (67193684).

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

53262820 is a wasteful number, since it uses less digits than its factorization.

53262820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204879 (or 204877 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 53262820 is about 7298.1381187259. The cubic root of 53262820 is about 376.2484494221.

The spelling of 53262820 in words is "fifty-three million, two hundred sixty-two thousand, eight hundred twenty".