53016620 has 24 divisors (see below), whose sum is σ = 111537888. Its totient is φ = 21168000.

The previous prime is 53016581. The next prime is 53016641. The reversal of 53016620 is 2661035.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10520 + ... + 14720.

It is an arithmetic number, because the mean of its divisors is an integer number (4647412).

Almost surely, 2^53016620 is an apocalyptic number.

It is an amenable number.

53016620 is an abundant number, since it is smaller than the sum of its proper divisors (58521268).

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

53016620 is a wasteful number, since it uses less digits than its factorization.

53016620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4841 (or 4839 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 53016620 is about 7281.2512660943. The cubic root of 53016620 is about 375.6678351358.

Adding to 53016620 its reverse (2661035), we get a palindrome (55677655).

The spelling of 53016620 in words is "fifty-three million, sixteen thousand, six hundred twenty".